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Latest Activity

Practical Standalone Tuning -> going lean when off throttle

on 6 6 2023

General Tuning Discussion -> Blown BBC Idle

on 6 6 2023

PDM Installation & Configuration -> Installing 2 PMU-16 in my car.

on 4 6 2023

General Car Setup Discussion -> Tyre pressures/Suspension set up

on 5 6 2023

General Engine Building Discussion -> Sensor sender - NPT 1/8 fitment

on 5 6 2023

Practical Motorsport Wiring - Professional Level -> Porsche 996/997 oil level Sensor

on 4 6 2023

General Car Setup Discussion -> Ex rally car 3000rpm limited no sure why

on 4 6 2023

General Engine Building Discussion -> Suzuki G13b head work

on 3 6 2023

General Tuning Discussion -> Holden 304 V8 Original Timing Map

on 3 6 2023

How to Degree a Cam -> How to degree a cam

on 2 6 2023

General Engine Building Discussion -> 4g63 valve stem grinding to achive specific height.

on 2 6 2023

Practical Standalone Tuning -> Rich AFR/high rpm idle on 'aggresive' cams?

on 2 6 2023

Off Topic Discussion -> performance engineering pathway

on 1 6 2023

EFI Wiring Fundamentals -> Bosch 0 261 230 093

on 2 6 2023

Practical Diesel Tuning -> 6.7 Cummins Quick Spool

on 1 6 2023

General Tuning Discussion -> Hondata Kpro ECU for K20a engine and vtec is not working

on 1 6 2023

Suspension Tuning & Optimization -> Lateral Load Transfer and Coefficient of Friction

on 1 6 2023

Practical Standalone Tuning -> Aem infinity, no timing light function

on 1 6 2023

Launch Control -> Spanish translation of courses

on 31 5 2023

General Car Setup Discussion -> Looking for a wiring diagram for wk statesman to hook up trigger wire to Holly EFI fuel pump

on 31 5 2023

Practical Standalone Tuning -> not able to rev pass 3k

on 30 5 2023

Off Topic Discussion -> Sealed, vacuumed Dry Sump Systems

on 28 5 2023

General Tuning Discussion -> Mazda mx5 nb 1.6l n/a tune

on 28 5 2023

General Car Setup Discussion -> Poor running

on 26 5 2023

General Car Setup Discussion -> Gearing

on 26 5 2023

Engine Building Fundamentals -> Correct use of a torq wrench

on 25 5 2023

EFI Tuning Fundamentals -> Fuel cut vs Ignition cut

on 25 5 2023

General Tuning Discussion -> Coolant sensor anomoly

on 25 5 2023

General Engine Building Discussion -> Crankshaft sprocket design

on 24 5 2023

General Engine Building Discussion -> Low/No Boost 2003 BMW Z4 2.5i SC14 Supercharger Kit

on 24 5 2023

General Engine Building Discussion -> 4g63 dowels for cyl head studs

on 22 5 2023

Practical Motorsport Wiring - Club Level -> Haltech controlled A340E transmission: 4th gear is going into neutral

on 22 5 2023

Introduction to Engine Tuning -> Gas burn fraction tuning

on 22 5 2023

Practical Diesel Tuning -> Diesle ECU pulling timming low power low EGT's ?

on 22 5 2023

Practical Standalone Tuning -> What gear do you use when tuning on the dyno?

on 22 5 2023

General Engine Building Discussion -> Throttle Body Help

on 21 5 2023

Diesel Tuning Fundamentals -> lambda sensors

on 21 5 2023

Practical Engine Building -> Wrist pin clearance

on 19 5 2023

Engine Building Fundamentals -> Saving document

on 19 5 2023

EFI Wiring Fundamentals -> Altenator wiring issue

on 17 5 2023

Off Topic Discussion -> OBD2 tools - your experiences?

on 17 5 2023

General Engine Building Discussion -> 4g63 Oem head gasket or Hks

on 17 5 2023

Launch Control -> camshaft degree

on 16 5 2023

General Tuning Discussion -> Link g4+ warm starting issue

on 15 5 2023

Practical Reflash Tuning -> Mercedes ML63 AMG

on 12 5 2023

General Engine Building Discussion -> 4g63 High boost valve springs

on 12 5 2023

General Tuning Discussion -> R32 GTS-4 RB20 having issues at around 3k RPM after installing all parts

on 12 5 2023

General Tuning Discussion -> Over boost

on 9 5 2023

General Engine Building Discussion -> Big end bearing clearance weird readings

on 8 5 2023

PDM Installation & Configuration -> V8 S15 PDM Output Opinions

on 6 5 2023

Off Topic Discussion -> Having Issues Starting my BMW 2JZ GTE VVTi running Haltech Elite 750

on 6 5 2023

General Tuning Discussion -> Decel & ITB throttle

on 6 5 2023

Practical Engine Building -> 4g63t wiseco ptw clearance

on 5 5 2023

General Engine Building Discussion -> Oil temp before or after cooler

on 5 5 2023

Practical Motorsport Wiring - Club Level -> IGN Power AWG

on 4 5 2023

EFI Tuning Fundamentals -> Understanding AFR or Practical Tuning course?

on 3 5 2023

Practical Engine Building -> Balancing Parts

on 3 5 2023

Practical Engine Building -> Conrod Balancing

on 3 5 2023

Suspension Tuning & Optimization -> FK8 front suspension question

on 2 5 2023

General Tuning Discussion -> Methanol burnout car

on 29 4 2023

General Tuning Discussion -> 6l80 transmission - Manually shift will not down shift.

on 28 4 2023

Practical Reflash Tuning -> Cruising problem

on 28 4 2023

EFI Wiring Fundamentals -> Back again looking for pins

on 27 4 2023

How to Degree a Cam -> Finding TDC on a K24A2 - moving degree wheel or pointer?

on 25 4 2023

Webinar Questions -> webinar #183 relay

on 24 4 2023

Practical Motorsport Wiring - Club Level -> Haltech Elite 2000 Unable to Control SSR

on 23 4 2023

EFI Tuning Fundamentals -> Aftermarket Ignition coils

on 22 4 2023

How to Degree a Cam -> Why the positive piston stop?

on 20 4 2023

Practical Standalone Tuning -> Should my ve value not go above 100 if my car is still n/a?

on 20 4 2023

Motorsport Fabrication Fundamentals -> Templates

on 19 4 2023

General Engine Building Discussion -> Dropped Spring

on 19 4 2023

How to Degree a Cam -> Opinion on exhaust advance or retard

on 18 4 2023

Practical Standalone Tuning -> Cold start, cranking fuel table

on 18 4 2023

General Tuning Discussion -> Fuel swirl pot

on 17 4 2023

Practical Motorsport Wiring - Club Level -> Circuit Race Car Alternator Wiring Help

on 17 4 2023

Practical Engine Building -> Check valves for turbo oil feed lines?

on 15 4 2023

General Car Setup Discussion -> Mini Cooper S (4g63 swapped AWD) Setup for Rally Racing has too much understeer

on 13 4 2023

General Tuning Discussion -> IGN Knock

on 13 4 2023

General Tuning Discussion -> One side of the spark plug burning?? photos added

on 12 4 2023

General Engine Building Discussion -> Thread sealing compound for main gallery

on 12 4 2023

Practical Engine Building -> cleanlieness

on 11 4 2023

General Car Setup Discussion -> Using LS1 harness with a carburetor.

on 11 4 2023

Ethanol & Flex Fuel Tuning -> Ethanol type and storage

on 10 4 2023

General Engine Building Discussion -> Valve job has extra cuts into the side of combustion chamber, problem?

on 10 4 2023

Practical Motorsport Wiring - Club Level -> Chassis harness, grounds

on 7 4 2023

3D Modeling & CAD for Motorsport -> Joint type for a push-pull cable?

on 7 4 2023

Motorsport TIG Welding Fundamentals -> Tig welder

on 7 4 2023

Practical Corner Weighting -> Corner weighting in regards to utvs or sxs's

on 7 4 2023

General Tuning Discussion -> Intake/boost pipes flooded with gas?

on 5 4 2023

How to Degree a Cam -> Can you rotate the engine both directions

on 5 4 2023

Practical Motorsport Wiring - Club Level -> Crank sensor pin out

on 5 4 2023

Professional Motorsport Data Analysis -> motec math channel error

on 4 4 2023

General Car Setup Discussion -> 2000 DODGE DAKOTA /TOYOTA 8AR-FTS 2.0T 16v VVTI engine SWAP

on 4 4 2023

General Tuning Discussion -> Any downsides to running a section of oversized fuel lines

on 4 4 2023

Off Topic Discussion -> Filters for differential and transmission pumps/coolers

on 4 4 2023

General Tuning Discussion -> Ignition beyond MBT- Low load

on 3 4 2023

PDM Installation & Configuration -> Gearbox Air Compressor - Using Soft Start / PWM control

on 1 4 2023

General Car Setup Discussion -> Intake carbon vs intake plastic insulation

on 31 3 2023

General Car Setup Discussion -> Surge Tank setup on a Subaru BRZ Production Car

on 31 3 2023

General Engine Building Discussion -> evo 8 gsc raacing balance shaft VS stub shaft

on 31 3 2023

General Tuning Discussion -> cosworth on link g4 plus need help

on 31 3 2023

PDM Installation & Configuration -> Ecumaster PMU overcurrent error

on 30 3 2023

Practical Motorsport Wiring - Club Level -> Alternator/Starter Wiring

on 29 3 2023

General Tuning Discussion -> Exhaust Gas Temperature Variance at Idle

on 28 3 2023

EFI Wiring Fundamentals -> Need some clarification on star point grounding

on 27 3 2023

General Tuning Discussion -> Flare on start

on 27 3 2023

Engine Building Fundamentals -> How To Use A Bore Gauge

on 26 3 2023

3D Modeling & CAD for Motorsport -> Trouble getting blue lines to turn black

on 25 3 2023

Variable Cam Control Tuning -> Cam timeing effects on fuel econnomy

on 25 3 2023

General Tuning Discussion -> sync state 0

on 25 3 2023

General Tuning Discussion -> Cylinder Crank & Cam Syncronization Layout

on 23 3 2023

Introduction to Engine Tuning -> An option for my vehicle

on 23 3 2023

Practical Motorsport Wiring - Club Level -> Battery Relocation, Remote Cutoff Switch, and Alternator Solenoid

on 22 3 2023

EFI Tuning Fundamentals -> Under hood Air Flow Effects on MAF Calibration

on 20 3 2023

Engine Building Fundamentals -> break-ins

on 20 3 2023

Ethanol & Flex Fuel Tuning -> Methanol Aux Fuel Tuning

on 18 3 2023

EFI Tuning Fundamentals -> Why do most Throttle Body EFI systems use 58psi fuel pressure but are return type systems.?

on 17 3 2023

General Engine Building Discussion -> Compression ratio in a tuned diesel engine.

on 16 3 2023

Practical Standalone Tuning -> weird misfire at idle and low load

on 15 3 2023

Practical Standalone Tuning -> Timing light reading, no timing marks

on 15 3 2023

Build Threads -> My chassi dyno.

on 14 3 2023

General Tuning Discussion -> 13b turbo misfire at high boost

on 14 3 2023

Webinar Questions -> 242 | Harmonic Dampers

on 12 3 2023

General Engine Building Discussion -> Engine break in oils

on 11 3 2023

Diesel Tuning Fundamentals -> Gale Banks Book.

on 11 3 2023

Variable Cam Control Tuning -> VTC Control not working FT450 K20

on 10 3 2023

EFI Wiring Fundamentals -> LS7 crank and cam sensor scope trace

on 10 3 2023

Practical Engine Building -> Damaged crankshaft journal repair

on 10 3 2023

EFI Wiring Fundamentals -> E46 M54B25 Radiator fan override

on 10 3 2023

General Tuning Discussion -> Initial tune

on 10 3 2023

General Engine Building Discussion -> Evo 8 manley ring gap for 800-900whp

on 8 3 2023

General Engine Building Discussion -> Rod balancing how important it is!

on 8 3 2023

General Tuning Discussion -> Overwhelmed novice

on 7 3 2023

General Tuning Discussion -> Installing a TPS on ITBs.

on 6 3 2023

General Engine Building Discussion -> Could the low compression ratio be a problem?

on 6 3 2023

Practical Corner Weighting -> Corner weighing compromise

on 5 3 2023

Off Topic Discussion -> Serpentine Belt Tensioner

on 5 3 2023

Practical Reflash Tuning -> Throttle body model: Stock throttle body vs bored stock throttle body

on 4 3 2023

General Tuning Discussion -> No Vin Detected (HP Tuner)

on 4 3 2023

Practical Motorsport Wiring - Club Level -> Wiring an old single-seater

on 3 3 2023

General Tuning Discussion -> Ported cylinder head

on 2 3 2023

EFI Wiring Fundamentals -> Wiring sizing help

on 1 3 2023

General Engine Building Discussion -> Selecting a compression ratio

on 1 3 2023

General Tuning Discussion -> B Series ITB Tuning issues

on 28 2 2023

General Tuning Discussion -> ITB's - Alpha-N Vs Speed Density characteristics

on 28 2 2023

Practical Motorsport Wiring - Professional Level -> 22AWG Wire for Engine Harness

on 28 2 2023

PDM Installation & Configuration -> Ideas?

on 27 2 2023

Practical Standalone Tuning -> FuelTech FT450 wasted spark Chevy SBC help with wiring coils and injectors pls

on 27 2 2023

How to Degree a Cam -> valve lash

on 26 2 2023

EFI Wiring Fundamentals -> Trying to source colour and trace txl in Australia

on 26 2 2023

General Engine Building Discussion -> Centrifugal SC Pulleys

on 25 2 2023

PDM Installation & Configuration -> AEM PDU-8 Pinouts

on 23 2 2023

Practical Motorsport Wiring - Club Level -> Grounding Question

on 23 2 2023

General Tuning Discussion -> Supercharger bypass valve tuning strategies

on 21 2 2023

General Tuning Discussion -> Volumetric Efficency between same model engine but different run time.

on 20 2 2023

Motorsport TIG Welding Fundamentals -> Ideal Welder?

on 20 2 2023

MoTeC M1 Software Tutorial -> “Invalid Delivery Angle”

on 20 2 2023

PDM Installation & Configuration -> Help me with Diagram

on 19 2 2023

Practical Engine Building -> Bearing scratched on assembly spinning

on 18 2 2023

Practical Standalone Tuning -> Standalone or piggy-back ECU for auxiliary blower fan control?

on 16 2 2023

Race Driving Fundamentals -> Cornering Techniques

on 14 2 2023

Practical Standalone Tuning -> Turbo spool

on 13 2 2023

Off Topic Discussion -> Live weather feed!

on 12 2 2023

Practical Motorsport Wiring - Professional Level -> Using different brands of devices.

on 12 2 2023

Build Threads -> K20 S1 Exige

on 12 2 2023

Practical Engine Building -> Surface rust on input shaft

on 11 2 2023

PDM Installation & Configuration -> PDM30 wire run lengths and awg selection

on 11 2 2023

EFI Wiring Fundamentals -> Relay trigger ampage.

on 11 2 2023

General Tuning Discussion -> High Fuel Rail Pressure

on 11 2 2023

EFI Tuning Fundamentals -> wideband sensor

on 11 2 2023

Practical Engine Building -> break-in oil

on 10 2 2023

PDM Installation & Configuration -> Alternator D+ on PDM output

on 10 2 2023

Practical Motorsport Wiring - Professional Level -> Code for wiring documentation

on 9 2 2023

Practical Standalone Tuning -> Fuel Tech FT550 disconected when engine running

on 9 2 2023

EFI Tuning Fundamentals -> Calculation of VE engine Air

on 9 2 2023

General Tuning Discussion -> Portable wide band o2 sensor - "Easy positioning"

on 9 2 2023

Motorsport Wheel Alignment Fundamentals -> Ride height setting with coilovers

on 8 2 2023

PDM Installation & Configuration -> Double checking my wiring gauge

on 8 2 2023

Build Threads -> bent main bolts

on 7 2 2023

General Engine Building Discussion -> Through bolt head stud

on 7 2 2023

General Tuning Discussion -> rough cold start due to flap delete

on 6 2 2023

General Engine Building Discussion -> Focus ST main bearing clearance too big

on 6 2 2023

General Tuning Discussion -> ITB trumpets vs Air cleaners

on 6 2 2023

EFI Wiring Fundamentals -> Can someone check my engine wiring harness?

on 6 2 2023

General Tuning Discussion -> E36 Tuning

on 5 2 2023

General Tuning Discussion -> Intake manifold surface temperature.

on 5 2 2023

EFI Tuning Fundamentals -> Is Oxygen All That Engines Need Atmospheric Air For?

on 4 2 2023

General Tuning Discussion -> E36 Link G4X 7 Bar plug in won't start

on 4 2 2023

EFI Wiring Fundamentals -> LS1 Alternator Wiring

on 4 2 2023

General Engine Building Discussion -> progressive double spring race valve springs

on 1 2 2023

EFI Wiring Fundamentals -> Injectors & Coils- Cable Size Vs Fuses

on 1 2 2023

Practical Reflash Tuning -> Throttle position

on 1 2 2023

Ethanol & Flex Fuel Tuning -> Race e85 ou race petrol for drag use.

on 31 1 2023

How to Degree a Cam -> Valve timing manufacturer reccomendations

on 30 1 2023

Practical Motorsport Wiring - Club Level -> Main power supply wire size

on 30 1 2023

Build Threads -> Subaru STI - Ferrari F136 Rally Car

on 30 1 2023

PDM Installation & Configuration -> 'Ignition' Circuit on PDM - How do you do it ??

on 29 1 2023

Webinar Questions -> Webinar #317. ITB Tuning.

on 28 1 2023

Build Threads -> 4AGZE Toyota Corolla/Conquest Rally Car

on 28 1 2023

Launch Control -> Snowmobile Launch Control

on 27 1 2023

General Tuning Discussion -> Too little timing?

on 27 1 2023

Ethanol & Flex Fuel Tuning -> Wiring in Cobb ethanol sensor to link ecu

on 26 1 2023

Motorsport TIG Welding Fundamentals -> Getting frustrated

on 26 1 2023

EFI Tuning Fundamentals -> What decreases BSFC and how

on 26 1 2023

General Engine Building Discussion -> 4th Gen 3s-GTE Compression Ratio

on 26 1 2023

Data Analysis Fundamentals -> Reasons for corrected speed

on 24 1 2023

Motorsport Wheel Alignment Fundamentals -> LAPTIME SUM IN EXCEL

on 23 1 2023

Off Topic Discussion -> Piston ring tangential load measurement

on 22 1 2023

Practical Motorsport Wiring - Club Level -> wire do you recommend to get wiring schematics and pinouts

on 21 1 2023

General Tuning Discussion -> Can fuel pressure be added to drop duty cycle a little ?

on 22 1 2023

General Tuning Discussion -> Beginners Method Questions

on 21 1 2023

General Engine Building Discussion -> V8 dual injection

on 20 1 2023

EFI Wiring Fundamentals -> Two wires into one?

on 20 1 2023

General Tuning Discussion -> Tuning Link G4X on Ls3 Twin turbo

on 19 1 2023

EFI Tuning Fundamentals -> Exhaust Changes After A Dyno Tune

on 18 1 2023

General Tuning Discussion -> LT4 Bigger pulley tuning

on 17 1 2023

Engine Building Fundamentals -> Cam and follower breaking

on 16 1 2023

Practical Motorsport Wiring - Professional Level -> ASL AWG Size Wire?

on 16 1 2023

Practical Reflash Tuning -> Cobb Accesstuner Closed loop target afr

on 14 1 2023

Practical Motorsport Wiring - Club Level -> This instructor has a terrible lisp

on 14 1 2023

General Tuning Discussion -> Turbo Garrett g25 550 or 660

on 14 1 2023

PDM Installation & Configuration -> Ignition coil wireing amp rating

on 13 1 2023

General Engine Building Discussion -> EJ20 Bore Scoring

on 12 1 2023

Practical Reflash Tuning -> serial wideband

on 12 1 2023

General Tuning Discussion -> Throttle body diameter and inlet length tuning/calculating on turbo engines?.

on 12 1 2023

Motorsport Fabrication Fundamentals -> Oil Pan Fabrication

on 9 1 2023

General Tuning Discussion -> Multiple Throttle Bodies

on 9 1 2023

General Tuning Discussion -> Intake Manifold, Throttle Body, & Injector Sizing + Selection

on 9 1 2023

Motorsport TIG Welding Fundamentals -> Welder settings

on 8 1 2023

General Tuning Discussion -> Terminology

on 8 1 2023

General Engine Building Discussion -> Arp rod bolt tension.

on 7 1 2023

General Engine Building Discussion -> Scratch on bearing

on 5 1 2023

Motorsport Fabrication Fundamentals -> DZUS Clips

on 5 1 2023

Race Driving Fundamentals -> Use of ABS

on 5 1 2023

General Car Setup Discussion -> Utilizing extra inputs - Extra IAT and MAP sensors

on 5 1 2023

Introduction to Engine Tuning -> Might be a stupid question - ICV when fitting ITB's

on 4 1 2023

Suspension Tuning & Optimization -> Ride height adjustment yellow speed coilovers

on 3 1 2023

Practical Motorsport Wiring - Club Level -> Fuse or relay first in power supply circuit?

on 3 1 2023

Practical Engine Building -> Engine Refresh vs. Rebuild

on 2 1 2023

Practical Standalone Tuning -> 3d model smoothing

on 31 12 2022

EFI Wiring Fundamentals -> Question About headlight Hi-Low wiring

on 31 12 2022

General Tuning Discussion -> jzx100 1jz vvti g4x pnp - can somebody please help me make sense of this

on 29 12 2022

General Engine Building Discussion -> Piston cleaning without removing the heads

on 29 12 2022

EFI Wiring Fundamentals -> wiring fundamentals further considerations

on 28 12 2022

Practical Reflash Tuning -> Portable wideband setup. Does Cats effect?

on 28 12 2022

Motorsport Wheel Alignment Fundamentals -> castor

on 27 12 2022

Understanding AFR -> Wideband Placement

on 26 12 2022

EFI Wiring Fundamentals -> V8 wasted spark ignition coil wiring question?

on 25 12 2022

EFI Tuning Fundamentals -> 350Z power output seems low in the example??

on 24 12 2022

General Tuning Discussion -> CNG fuel

on 24 12 2022

Practical Engine Building -> To ask about Step 10 (engine initial start up)

on 24 12 2022

Practical Engine Building -> SR20 CAS or timing

on 22 12 2022

Boost Control -> 02 wrx motor in a 73 porsche boost issue

on 21 12 2022

General Tuning Discussion -> Dyno Hire

on 21 12 2022

Motorsport TIG Welding Fundamentals -> Video will not play.

on 20 12 2022

EFI Tuning Fundamentals -> Afr

on 18 12 2022

General Tuning Discussion -> Webinar 048 VS 258 rotary ignition timing.

on 18 12 2022

General Tuning Discussion -> MoTeC M150 GPRP-based FW shifting problems

on 17 12 2022

General Car Setup Discussion -> Help with RB25 Ecu Master emu classic

on 17 12 2022

Practical Engine Building -> Breaking in Question

on 17 12 2022

General Car Setup Discussion -> Turbo Backpressure (exhaust sizing)

on 15 12 2022

EFI Wiring Fundamentals -> Link is broken

on 14 12 2022

General Tuning Discussion -> Low Pressure Drop Across Fuel Injectors

on 14 12 2022

Off Topic Discussion -> Overheating . . . Help!

on 14 12 2022

EFI Wiring Fundamentals -> Link

on 13 12 2022

EFI Wiring Fundamentals -> Testing Sensor Ground

on 11 12 2022

General Tuning Discussion -> Battling coolant heat with new engine.

on 11 12 2022

General Tuning Discussion -> 408 cui LS idle issues

on 10 12 2022

EFI Tuning Fundamentals -> Not playing

on 8 12 2022

Practical Motorsport Wiring - Club Level -> Learning How to build a loom

on 8 12 2022

PDM Installation & Configuration -> Power distribution 2 PMUs

on 7 12 2022

EFI Wiring Fundamentals -> Fusing error

on 7 12 2022

General Tuning Discussion -> 2005 Ford 3.0 Vulcan runs lean after cats hollowed out.

on 7 12 2022

Suspension Tuning & Optimization -> Helper springs location (top or bottom) and related rattle

on 7 12 2022

EFI Wiring Fundamentals -> current flow direction confusion

on 6 12 2022

Practical Standalone Tuning -> RX7 - Random Loss of Boost, Fuel, Spark

on 6 12 2022

Practical Engine Building -> Crankshaft storage myths

on 6 12 2022

General Engine Building Discussion -> EJ20 open deck power limits

on 5 12 2022

Motorsport Fabrication Fundamentals -> Vice bender

on 5 12 2022

General Engine Building Discussion -> Discovered damage on EJ20 block after machine work

on 5 12 2022

Engine Building Fundamentals -> Mineral based oil.

on 30 11 2022

Off Topic Discussion -> Dry Sump Oil Temp - I can't get it up !!

on 27 11 2022

General Engine Building Discussion -> External Oil Thermostat Hose Diameters...

on 26 11 2022

EFI Wiring Fundamentals -> Link for circuit

on 26 11 2022

Practical Engine Building -> Lube leak on Fa20 oil pump rotor

on 23 11 2022

Practical Engine Building -> Clean oil galleries after using die grinder

on 23 11 2022

Engine Building Fundamentals -> Assimetric piston

on 22 11 2022

Off Topic Discussion -> Clutch slip nightmare

on 21 11 2022

Practical Motorsport Wiring - Professional Level -> Toggle Switch Termination - The 'Best' Way

on 20 11 2022

EFI Wiring Fundamentals -> Normal relays acting like latching relays

on 20 11 2022

Motorsport Wheel Alignment Fundamentals -> Wheel stud extensions

on 20 11 2022

General Engine Building Discussion -> Evo engine destruction and build

on 20 11 2022

General Tuning Discussion -> Need Help! LS2 with LS3 head upgrade

on 19 11 2022

General Engine Building Discussion -> SR20 Nismo main/conrod bearings direct fitment?

on 19 11 2022

Suspension Tuning & Optimization -> Traditional sway bar vs heave spring

on 18 11 2022

General Engine Building Discussion -> oil priming kits

on 17 11 2022

General Tuning Discussion -> AEM Infinity sync state issue

on 15 11 2022

General Tuning Discussion -> Flat Shift Suggestions

on 14 11 2022

Engine Building Fundamentals -> Piston skirt coating peeled off after break in

on 14 11 2022

General Engine Building Discussion -> Bore gauge marks on freshly honed cylinder bores.

on 13 11 2022

Off Topic Discussion -> Honda EP3 Cold Start Engine Noise

on 12 11 2022

Practical Diesel Tuning -> Optimizing Fuel Delivery for clean combustion with Emissions Installed

on 11 11 2022

General Tuning Discussion -> Potential damage from short term knock?

on 9 11 2022

Introduction to Engine Tuning -> Mercury 3.0 v6 2 stroke engine efi

on 7 11 2022

General Tuning Discussion -> Deep Valley in VE table.

on 7 11 2022

General Tuning Discussion -> V8 tuning with a dizzy

on 7 11 2022

Off Topic Discussion -> Hydrolocked

on 6 11 2022

General Tuning Discussion -> Semi-sequential injector setup

on 6 11 2022

Off Topic Discussion -> Is this Right

on 5 11 2022

Suspension Tuning & Optimization -> Increase LLT at the rear without lifting a wheel

on 3 11 2022

EFI Wiring Fundamentals -> control servo motor using m150

on 3 11 2022

Boost Control -> Turbocharger Exhaust Back-Pressure Values (What is a good # to see?)

on 3 11 2022

General Car Setup Discussion -> Clutch release lever, modified

on 2 11 2022

EFI Wiring Fundamentals -> Capacitor

on 2 11 2022

MoTeC M1 Software Tutorial -> Lambda low fault

on 2 11 2022

General Tuning Discussion -> Tuning and intake air temperature, BMW 650i 2013

on 2 11 2022

General Engine Building Discussion -> Bottle kneck somewhere, don't know where

on 1 11 2022

Race Driving Fundamentals -> Breakdown

on 31 10 2022

Engine Building Fundamentals -> Bore gauge brands

on 31 10 2022

General Tuning Discussion -> Why does Lambda deviate, steady state vs ramp Run?

on 31 10 2022

EFI Wiring Fundamentals -> Sheating a harness for a prototype vehicle

on 29 10 2022

Off Topic Discussion -> Radium FPR violent shuddering in Return Line

on 29 10 2022

General Tuning Discussion -> 05 5.3 ls stage 1 cam idle problems

on 28 10 2022

Practical Engine Building -> Aftermarket oil pump gear on Nissan sr20vet

on 27 10 2022

Practical Reflash Tuning -> Throttle Response

on 24 10 2022

General Engine Building Discussion -> cylinder scratch

on 23 10 2022

Practical Engine Building -> 11gram difference in pistons??

on 22 10 2022

Suspension Tuning & Optimization -> Rear wing and effect on understeer

on 22 10 2022

Engine Building Fundamentals -> This entire section of cylinder head needs some diagrams or something

on 20 10 2022

General Engine Building Discussion -> Vacuum for big cam NA Engine in Idle

on 19 10 2022

General Tuning Discussion -> Buying my 1st dyno questions

on 19 10 2022

General Engine Building Discussion -> Apex sealing face

on 18 10 2022

Practical Motorsport Wiring - Club Level -> Trouble Getting Alternator to Charge

on 17 10 2022

Off Topic Discussion -> Gilmer belts

on 17 10 2022

Road Tuning -> Road Tuning + Laptop Visbility

on 17 10 2022

Understanding AFR -> Can (slightly to moderately) more fuel damage a new engine?

on 16 10 2022

General Tuning Discussion -> Hard Popping sound in the exhaust

on 14 10 2022

EFI Tuning Fundamentals -> why did i buy this from you

on 13 10 2022

EFI Tuning Fundamentals -> Hot exhaust headers even at idle

on 12 10 2022

General Tuning Discussion -> Rotrex Supercharging Question on Honda K20a

on 12 10 2022

General Tuning Discussion -> Dual Sync Distributor

on 12 10 2022

EFI Tuning Fundamentals -> lamda target

on 11 10 2022

Practical Engine Building -> 2JZGE oil pump upgrade

on 9 10 2022

Off Topic Discussion -> Bathurst live timing link.

on 9 10 2022

General Car Setup Discussion -> Choosing the right exhaust size

on 8 10 2022

EFI Tuning Fundamentals -> Is this test question correct?

on 7 10 2022

General Tuning Discussion -> 6.0 LS Turbo - Intermittent Knock

on 7 10 2022

PDM Installation & Configuration -> Isolation - MSEL with radlok question

on 5 10 2022

EFI Tuning Fundamentals -> Why is this wrong?

on 5 10 2022

EFI Wiring Fundamentals -> Connector PIN identification

on 5 10 2022

General Engine Building Discussion -> Question from first time engine builder about crank journals and piston gaps

on 5 10 2022

EFI Tuning Fundamentals -> Gasoline injection best locations?

on 4 10 2022

General Car Setup Discussion -> FWD Suspension setup

on 3 10 2022

Practical Engine Building -> rb25det camshaft drama!

on 2 10 2022

EFI Tuning Fundamentals -> intake manifold pressure

on 2 10 2022

General Tuning Discussion -> Rotary Coolant Pressure same as piston?

on 2 10 2022

EFI Tuning Fundamentals -> Volumetric Efficiency

on 1 10 2022

General Tuning Discussion -> Gear Shift load Cell question

on 1 10 2022

Build Threads -> 1.5 way LSD ramp direction

on 30 9 2022

Build Threads -> Drag racing trasmission

on 30 9 2022

PDM Installation & Configuration -> Alternator Field

on 30 9 2022

Professional Motorsport Data Analysis -> False upshifts in data under braking

on 29 9 2022

General Car Setup Discussion -> AWD differentials explanation

on 28 9 2022

General Tuning Discussion -> Idle Problems - Higher than set and lean - Haltech Elite 2000 1uzfe

on 27 9 2022

Practical Reflash Tuning -> Do I have to scale these injectors?

on 27 9 2022

General Tuning Discussion -> Hi Vacuum gremlin

on 27 9 2022

Engine Building Fundamentals -> piston rings

on 26 9 2022

Practical Reflash Tuning -> Subaru Ignition timing after CR change

on 26 9 2022

General Tuning Discussion -> motec m150 on mitsubishi evo 8 blowing power fuse

on 26 9 2022

General Engine Building Discussion -> ARP Main studs

on 24 9 2022

General Tuning Discussion -> Smallest possible injectors (physical size) 400 - 500 cc range ?

on 23 9 2022

EFI Wiring Fundamentals -> CMAs for Ring Terminals

on 23 9 2022

Practical Reflash Tuning -> Tune for Cat Delete?

on 23 9 2022

Practical Engine Building -> line hone? minute 1:00

on 21 9 2022

Practical Engine Building -> Line hone part duex

on 21 9 2022

Practical Motorsport Wiring - Club Level -> Two CAM sensors - 2 core, 3 core or 4 core shielded?

on 18 9 2022

Practical Standalone Tuning -> water mwethanal injection

on 17 9 2022

Practical Motorsport Wiring - Club Level -> GXL Vs. Tefzel amp load capacity

on 15 9 2022

Engine Building Fundamentals -> Aligning piston ring end gaps

on 14 9 2022

Practical Standalone Tuning -> Trying to start

on 14 9 2022

Motorsport TIG Welding Fundamentals -> Achieving correct gas flow

on 13 9 2022

General Tuning Discussion -> Turbo Shuffle

on 12 9 2022

Practical Reflash Tuning -> Hp tuner not reading my car

on 11 9 2022

General Tuning Discussion -> 2JZ 280 HKS cams, 1100cc IDs Rough idle and misfires.

on 7 9 2022

Practical Reflash Tuning -> full power tuning AT 3rd gear

on 5 9 2022

EFI Wiring Fundamentals -> Drift car wiring schematic

on 4 9 2022

General Engine Building Discussion -> Converting Carburetor Engine to Direct Injection

on 4 9 2022

Practical Motorsport Wiring - Club Level -> tidily hand drawn document

on 2 9 2022

EFI Tuning Fundamentals -> Valve timing event

on 1 9 2022

General Tuning Discussion -> Help with sporadic rpm readings after new short block

on 29 8 2022

General Engine Building Discussion -> Can someone help me design a set of headers?

on 29 8 2022

General Tuning Discussion -> Turbo performance regarding exhaust placement

on 27 8 2022

Member Introductions -> Any other girl tuners on this forum?

on 25 8 2022

General Engine Building Discussion -> Dropped valve 2.3 Duratec - Failure Analysis

on 25 8 2022

General Engine Building Discussion -> Crankshaft Worth Saving?

on 23 8 2022

Race Driving Fundamentals -> Setting Brake Bias

on 23 8 2022

General Tuning Discussion -> Link G4 Evo 8 PNP No Spark

on 23 8 2022

Data Analysis Fundamentals -> Best data solution?

on 22 8 2022

EFI Wiring Fundamentals -> Using a DT Connector in fuel tank

on 21 8 2022

Motorsport Wheel Alignment Fundamentals -> Calculating motion ratio

on 21 8 2022

EFI Wiring Fundamentals -> Ignition switch power gap between run and start.

on 20 8 2022

General Tuning Discussion -> Terrible Idle quality, not pulling vacuum with mild cams

on 20 8 2022

Suspension Tuning & Optimization -> Does anybody know how to measure heim joint tolerance ?

on 20 8 2022

Practical Corner Weighting -> Equal Cross Weight vs Other Methods

on 18 8 2022

Practical Corner Weighting -> 55% left weight percentage gives right hand side more grip?

on 18 8 2022

Webinar Questions -> E85 or ethanol fuel damaging iron/steel manifolds.

on 17 8 2022

Off Topic Discussion -> Exhaust pipe build - Stock manifolds

on 17 8 2022

General Tuning Discussion -> Different ignition angle across cylinders

on 17 8 2022

Race Driving Fundamentals -> HeeL & Toe in Trail Braking Zone

on 16 8 2022

Off Topic Discussion -> Too far gone?

on 16 8 2022

General Tuning Discussion -> Types of Anti lag

on 15 8 2022

General Tuning Discussion -> Tunerstudio stalling engine when burning changes.

on 15 8 2022

Suspension Tuning & Optimization -> Sway Bar Pre-load

on 14 8 2022

Off Topic Discussion -> Eddy Current Brake Dyno Purchse UK

on 14 8 2022

Suspension Tuning & Optimization -> upset about this topic

on 14 8 2022

Practical Reflash Tuning -> Hyundai genesis coupe tuning

on 10 8 2022

Off Topic Discussion -> Struggling to understand a concept

on 7 8 2022

Off Topic Discussion -> Transmission modifications ***wanting to learn more about these***

on 6 8 2022

General Car Setup Discussion -> Pedal box balance bar setup

on 6 8 2022

General Engine Building Discussion -> Crankshaft out of spec

on 6 8 2022

Engine Building Fundamentals -> MECHANICAL FUEL PUMP TO FUEL CELL

on 3 8 2022

EFI Tuning Fundamentals -> Air density

on 2 8 2022

General Tuning Discussion -> Oscillating boost / MAP - how to avoid?

on 31 7 2022

Off Topic Discussion -> Too old to do a tuning career?

on 30 7 2022

How to Degree a Cam -> Measuring Piston To Valve Clearance on assembled motor

on 30 7 2022

General Engine Building Discussion -> Cleaning fouled plugs & resistance

on 30 7 2022

How to Degree a Cam -> Piston Stop and Side firing spark plug

on 28 7 2022

General Car Setup Discussion -> Split Front Spring Rates

on 26 7 2022

Off Topic Discussion -> On the pinch weld or not...?

on 25 7 2022

General Engine Building Discussion -> Compression Ratios

on 23 7 2022

Practical Motorsport Wiring - Club Level -> power supply design

on 23 7 2022

General Tuning Discussion -> Wastgate

on 22 7 2022

General Tuning Discussion -> Rpm on laptop doesn’t match my rpm on dash

on 22 7 2022

EFI Wiring Fundamentals -> Starter power feed

on 22 7 2022

Webinar Questions -> Selecting a supercharger

on 21 7 2022

General Engine Building Discussion -> Using intake valve for exhaust.

on 21 7 2022

General Engine Building Discussion -> Does having four main bearings in a straight six severely impact bottom end strength?

on 19 7 2022

General Engine Building Discussion -> New engine build getting too hot

on 19 7 2022

General Tuning Discussion -> I meet a very strange problem,when ignition timing advance increase boost will drop.

on 18 7 2022

General Tuning Discussion -> Ignition light coming on and off

on 17 7 2022

How to Degree a Cam -> CAMSHAFT SPECIFICATIONS

on 15 7 2022

General Tuning Discussion -> Emissions lowering on petrol?

on 14 7 2022

Motorsport Wheel Alignment Fundamentals -> Setup tips - How to improve tire contact and minimeze Uneven tire wear

on 14 7 2022

Engine Building Fundamentals -> clearance volume

on 13 7 2022

Motorsport Wheel Alignment Fundamentals -> Bump and roll steer adjustment by moving the steering house up or down

on 13 7 2022

PDM Installation & Configuration -> Has anyone managed to make the Grayhill (3K020-4RN3AG) CAN Keypad work with the AiM PDM32?

on 12 7 2022

General Car Setup Discussion -> Fuel level management

on 12 7 2022

General Engine Building Discussion -> best oil scavenge pump for low mount turbo

on 12 7 2022

General Tuning Discussion -> B18C5 crazy dip in air flow/ fuel from 6000-7000rpm . Cam timing off?? Or head porting?? Or wrong cams??

on 12 7 2022

General Tuning Discussion -> Looking for some help with Haltech NSP

on 10 7 2022

General Tuning Discussion -> Na mbt to boosted mbt

on 10 7 2022

General Tuning Discussion -> Fix IDLE when AC is engaged

on 8 7 2022

EFI Wiring Fundamentals -> Rs232

on 7 7 2022

General Tuning Discussion -> tuning for 2 up riding in high elevation

on 6 7 2022

General Tuning Discussion -> Mainline Torque Optimization

on 2 7 2022

Off Topic Discussion -> Ecumaster EMU Classic - erratic charging voltage drop (graph included)

on 1 7 2022

Suspension Tuning & Optimization -> FWD power understeering

on 30 6 2022

Suspension Tuning & Optimization -> Spring change

on 29 6 2022

General Engine Building Discussion -> EJ20 CR when going E85

on 29 6 2022

General Tuning Discussion -> Motec M150 Linearizing throttle response via Throttle Translation

on 28 6 2022

General Tuning Discussion -> Questions about pistions and spark melted at E85 pump.

on 26 6 2022

General Engine Building Discussion -> Aftermarket bearings

on 25 6 2022

Practical Engine Building -> Advise for Break-In oil

on 25 6 2022

Practical Engine Building -> opps, marked underside of crown with centre punch

on 23 6 2022

General Tuning Discussion -> Timing Map - Fuel efficiency

on 23 6 2022

Off Topic Discussion -> Brake air ducting size

on 22 6 2022

General Engine Building Discussion -> High Performance Clutch Kit vs LSD

on 22 6 2022

General Tuning Discussion -> Tuning drag setup no coolant

on 21 6 2022

General Tuning Discussion -> Air to Water Intercooler Pump Sizing

on 21 6 2022

General Tuning Discussion -> Air to Water Intercooler Pump Sizing

on 21 6 2022

Practical Engine Building -> 4g63 crank timing

on 20 6 2022

General Engine Building Discussion -> 6 cylinder 4.0 liter turbo choose

on 20 6 2022

Practical Motorsport Wiring - Club Level -> Power supply, fusebox - relays ground, power wire sizing

on 19 6 2022

General Engine Building Discussion -> Water pump for standalone turbo cooling system

on 19 6 2022

General Engine Building Discussion -> Compound Turbos for Low End Torque

on 18 6 2022

General Tuning Discussion -> Calculating runner lengths for ITBs by studying your fuel map

on 18 6 2022

Practical Motorsport Wiring - Club Level -> Queries

on 16 6 2022

Motorsport TIG Welding Fundamentals -> Dull stainless steel weld with filler metal

on 13 6 2022

How to Degree a Cam -> Piston to valve clearance

on 12 6 2022

Off Topic Discussion -> Le Mans web site, may help some out.

on 12 6 2022

PDM Installation & Configuration -> PDM Grouping

on 12 6 2022

Webinar Questions -> Turbo sizing for compound boost

on 11 6 2022

General Tuning Discussion -> Vw 8v normally aspirated stroke to bore size

on 10 6 2022

General Tuning Discussion -> Retarding Ignition Timing

on 9 6 2022

General Tuning Discussion -> injection angle for emissions

on 8 6 2022

Motorsport Fabrication Fundamentals -> Fuel Tank Design

on 5 6 2022

Data Analysis Fundamentals -> RPM Signal

on 4 6 2022

General Engine Building Discussion -> 2jz ge oil squirters

on 3 6 2022

General Engine Building Discussion -> How to decide on valve clearances if you dont want to use factory specs?

on 3 6 2022

General Car Setup Discussion -> Brake Set up

on 2 6 2022

Suspension Tuning & Optimization -> Non U-bar Roll Bars

on 2 6 2022

EFI Tuning Fundamentals -> ECU Master Black missfiring and unstable state under the load

on 2 6 2022

General Tuning Discussion -> Intake backfires during launch control with transbrake

on 1 6 2022

EFI Tuning Fundamentals -> Coolant Sensor before or after thermostat??

on 30 5 2022

Off Topic Discussion -> Evacuating Refrigerant in AC

on 30 5 2022

General Tuning Discussion -> ID2600xds struggles

on 30 5 2022

General Tuning Discussion -> 350Z - Beginner tuner installing a SC

on 29 5 2022

EFI Tuning Fundamentals -> stroke

on 28 5 2022

Suspension Tuning & Optimization -> Bump steer

on 28 5 2022

How to Degree a Cam -> Found True TDC. Cam Gears Don't Line Up

on 28 5 2022

General Tuning Discussion -> T51R not hitting full boost

on 27 5 2022

Suspension Tuning & Optimization -> spring setup when do you need a helper spring

on 26 5 2022

Engine Building Fundamentals -> Thoughts of deleting vanos on a bmw s54 (or any variable valve timing engine) for a dedicated track car, curious of pros and cons.

on 26 5 2022

Off Topic Discussion -> Monaco F1

on 26 5 2022

General Tuning Discussion -> ITB Accel Enrichment

on 26 5 2022

Understanding AFR -> Exhaust Gas temp (EGT)

on 26 5 2022

Suspension Tuning & Optimization -> Billet Suspension ARM design problems.

on 25 5 2022

General Tuning Discussion -> Injection angle/ITB's with injector above throttle plate

on 25 5 2022

Engine Building Fundamentals -> Rebuilding a LS1

on 24 5 2022

General Tuning Discussion -> Cylinder Pressure and uncorrected vs corrected HP

on 23 5 2022

Off Topic Discussion -> Honda EP3 gearbox swap with DC5

on 23 5 2022

Practical Motorsport Wiring - Club Level -> Yamaha YZ450F Gear Position Sensor Wiring

on 20 5 2022

General Tuning Discussion -> Fine knock learning and timing being pulled

on 19 5 2022

How to Degree a Cam -> Cam timing-no specs

on 19 5 2022

Build Threads -> Rotated turbo suabru sti not boosting.

on 18 5 2022

Motorsport Wheel Alignment Fundamentals -> How to measure Ackerman?

on 17 5 2022

How to Degree a Cam -> Valve Lash when setting up

on 17 5 2022

General Tuning Discussion -> Fuel system question! - Buying the right upgraded lift pump for my new external setup.

on 16 5 2022

Suspension Tuning & Optimization -> About the motion Ratio

on 16 5 2022

Motorsport Fabrication Fundamentals -> Handbrake/ebrake calipers

on 15 5 2022

Engine Building Fundamentals -> Measuring Piston-to-Valve clearance

on 14 5 2022

EFI Wiring Fundamentals -> Power Ground Design Sanity Check

on 14 5 2022

Race Driving Fundamentals -> Traction Circle Limits

on 13 5 2022

Practical Engine Building -> 1jz building - Ring gaps and bearing clearances

on 13 5 2022

Off Topic Discussion -> VIP Package

on 13 5 2022

General Tuning Discussion -> 3SGE beams red top link ecu, no startup

on 13 5 2022

Practical Motorsport Wiring - Professional Level -> CWA400 Supply in concentric layout question

on 10 5 2022

General Engine Building Discussion -> Dry sump for porsche boxster engine. (NON turbo gt engines)

on 10 5 2022

General Tuning Discussion -> Belt squealing for ~5 seconds after start

on 10 5 2022

Suspension Tuning & Optimization -> setting up suspension droop

on 8 5 2022

EFI Wiring Fundamentals -> disconnect battery while running

on 7 5 2022

General Tuning Discussion -> Intake Temperature vs Waste Gate Boost Pressure

on 7 5 2022

Practical Engine Building -> Subaru cylinder head exhaust bucket galleries block-off

on 1 5 2022

How to Degree a Cam -> Cam clearance

on 30 4 2022

Practical Motorsport Wiring - Club Level -> Doubts with Relays

on 30 4 2022

General Tuning Discussion -> Piston Disintegrated - Failure Analysis

on 29 4 2022

Practical Motorsport Wiring - Club Level -> Fuse position in circuit

on 26 4 2022

Practical Standalone Tuning -> Haltech Elite Rev Limit

on 24 4 2022

General Tuning Discussion -> 9.5 Knock at 40% throttle when vehicle is shifting from 2 to 3 gear

on 21 4 2022

Practical Engine Building -> Mixing coated/uncoated bearings

on 21 4 2022

Practical Engine Building -> Oil ring gap

on 20 4 2022

General Tuning Discussion -> Old Subaru and Apexi Power FC

on 18 4 2022

Practical Motorsport Wiring - Club Level -> RESISITOR ON GRND CIRCUIT

on 17 4 2022

General Tuning Discussion -> Nissan SR Brainstorming: With Set Turbo, Cylinder Head, Etc, How Can We Maximize Potential?

on 16 4 2022

EFI Wiring Fundamentals -> Wrap around heat shrink tubing

on 16 4 2022

Build Threads -> S13 Silvia built to perfection

on 15 4 2022

General Engine Building Discussion -> Excessive cylinder pressure and main bearing failure

on 15 4 2022

General Tuning Discussion -> Is an intercooler 'necessary' ? 2GRFE Supercharged discussion

on 15 4 2022

EFI Wiring Fundamentals -> Round ground terminal choice

on 14 4 2022

EFI Wiring Fundamentals -> Body grounds

on 14 4 2022

General Tuning Discussion -> Engine cranking no start. 2002 VW golf GTI with Ko4 turbo and 750cc injectors.

on 14 4 2022

EFI Tuning Fundamentals -> Additional Combustion concepts explanation

on 12 4 2022

PDM Installation & Configuration -> ecumaster switchboard configuration

on 10 4 2022

General Tuning Discussion -> Evo 5 , running lean

on 10 4 2022

General Tuning Discussion -> HP ACADEMY abbreviations

on 9 4 2022

EFI Wiring Fundamentals -> starter motor grounding

on 6 4 2022

PDM Installation & Configuration -> 24V or 12V/24V PDM

on 5 4 2022

General Tuning Discussion -> Big cams = more boost?

on 5 4 2022

General Tuning Discussion -> Insulating ball bearing turbo exhaust housings - good or bad?

on 5 4 2022

Practical Engine Building -> Cam Oil Clearance

on 5 4 2022

General Tuning Discussion -> 420whp built KA-T on MS2PNP. Need help figuring why car is breaking up. AFR darting back and forth

on 1 4 2022

EFI Tuning Fundamentals -> exhaust stroke pressure

on 1 4 2022

Suspension Tuning & Optimization -> Multi-way Adjustment dampers

on 31 3 2022

General Engine Building Discussion -> Bearing knock

on 30 3 2022

PDM Installation & Configuration -> Combining inputs

on 30 3 2022

EFI Tuning Fundamentals -> Seriously I paid for this

on 30 3 2022

PDM Installation & Configuration -> Firewall Pass Through Stud Manufacturer

on 28 3 2022

Motorsport Fabrication Fundamentals -> Dzus fastner

on 27 3 2022

How to Degree a Cam -> degreeing a b18a non vtec

on 26 3 2022

Off Topic Discussion -> Transmissions and there rotation

on 26 3 2022

Off Topic Discussion -> Should I give up or try this?

on 26 3 2022

Introduction to Engine Tuning -> Potential damage caused by hub dyno

on 23 3 2022

Buy Sell and Swap -> Looking for Mainline Prohub

on 23 3 2022

General Engine Building Discussion -> Audi 2.5 5 cyl head problems

on 22 3 2022

Practical Standalone Tuning -> Boosting an LS1 - protecting spaghetti rods.

on 22 3 2022

General Tuning Discussion -> silicon or teflon coil stalks preferred?

on 21 3 2022

General Tuning Discussion -> Fuel pressure dropping off with increased boost

on 21 3 2022

Practical Engine Building -> B18C ARP main stud issues

on 19 3 2022

Build Threads -> Darton sleeves

on 19 3 2022

General Tuning Discussion -> l98 timing trouble

on 16 3 2022

General Tuning Discussion -> Early rev limiter with 24psi

on 16 3 2022

Buy Sell and Swap -> TFX Engine Technology - Engine Pressure Analyzer

on 15 3 2022

MoTeC M1 Software Tutorial -> Nitrous activation

on 13 3 2022

General Tuning Discussion -> Ghost cam idle tune advice

on 13 3 2022

General Tuning Discussion -> Tuning a 98 jaguar xk8

on 12 3 2022

EFI Wiring Fundamentals -> Concerns About My Wire Harness' Fuses

on 12 3 2022

PDM Installation & Configuration -> PDM output grouping

on 12 3 2022

General Engine Building Discussion -> 4G63 head rebuild

on 10 3 2022

General Tuning Discussion -> Portable Dyno( or Road Dyno) VS Hub Dyno

on 10 3 2022

General Engine Building Discussion -> Timing problem?Audi A8 D3 4.2 FSI

on 9 3 2022

Practical Standalone Tuning -> Engine Dyno vs Chassis Dyno, IC water bath

on 8 3 2022

General Engine Building Discussion -> Intake Air Temperature

on 8 3 2022

General Engine Building Discussion -> GM 2.2 ECOTEC cylinder head

on 6 3 2022

Practical Engine Building -> Porosity on the inside of the block

on 7 3 2022

Webinar Questions -> Webinar #217

on 7 3 2022

General Tuning Discussion -> High Intake air temp on boosted engine

on 7 3 2022

How to Degree a Cam -> Cam card

on 5 3 2022

General Tuning Discussion -> Alternative Lumpy Idle Tune Switch Question

on 3 3 2022

Practical Engine Building -> Sealant

on 3 3 2022

General Engine Building Discussion -> OEM Piston to wall clearance

on 3 3 2022

General Engine Building Discussion -> Engine parts factory

on 2 3 2022

General Engine Building Discussion -> 4g64 block with 4g63 head

on 1 3 2022

Practical Standalone Tuning -> AEM EMS starter kickback issue

on 28 2 2022

Practical Engine Building -> Sr20det squirter

on 28 2 2022

Practical Motorsport Wiring - Club Level -> relocating fuse/relay box, EMI issues?

on 28 2 2022

Engine Building Fundamentals -> Measuring gasket volume

on 25 2 2022

PDM Installation & Configuration -> Undestanding motor braking

on 25 2 2022

Off Topic Discussion -> Oil flush with diesel?? 🤔

on 24 2 2022

EFI Tuning Fundamentals -> Ignition Barrell On/Start position

on 22 2 2022

Off Topic Discussion -> Forum Dark mode?

on 22 2 2022

General Tuning Discussion -> how to tune a car with no computer

on 22 2 2022

Ethanol & Flex Fuel Tuning -> combustion engines

on 22 2 2022

General Engine Building Discussion -> crankcase breather non return valve

on 21 2 2022

General Tuning Discussion -> water injection requires fuel alteration ?

on 21 2 2022

Practical Engine Building -> Mild or severe knock

on 20 2 2022

General Tuning Discussion -> Issues M54B30 with ecumaster emublack

on 20 2 2022

General Engine Building Discussion -> EJ20 E85 spark plug heat range

on 18 2 2022

Practical Engine Building -> Ring gap

on 17 2 2022

Off Topic Discussion -> Body shop in Auckland for body rust repair/modifications?

on 17 2 2022

General Tuning Discussion -> Egt Location Help

on 16 2 2022

General Tuning Discussion -> Idle vacuum drop with 2jz-ge aftermarket intake manifold

on 15 2 2022

How to Degree a Cam -> cam adjustment

on 14 2 2022

General Tuning Discussion -> Leaner mixture during tires slippage after launch

on 14 2 2022

EFI Wiring Fundamentals -> Wiring a Killswitch to coil relay.

on 11 2 2022

General Tuning Discussion -> practical tuning

on 28 1 2022

Off Topic Discussion -> Kaizen Relay ( No device found )

on 11 2 2022

EFI Tuning Fundamentals -> VE and Throttle Position Fuel Maps

on 11 2 2022

General Tuning Discussion -> ITB Trumpet Tuning BOGS and oscillating Lambda

on 11 2 2022

Understanding AFR -> Can I add fuel through wet nitrous setup on a turbo charged engine to be able to run a big shot, like 300 to 400hp shot?

on 9 2 2022

Practical Engine Building -> Inline 5

on 8 2 2022

Practical Reflash Tuning -> CFM or HZ ??

on 8 2 2022

Off Topic Discussion -> Vari Speed Rad Fan

on 8 2 2022

Practical Standalone Tuning -> 2jz emu black firing problem

on 7 2 2022

General Tuning Discussion -> Blowing head gasket due to excessive timing?

on 6 2 2022

Practical Standalone Tuning -> 2jz haltech cant rev past 8500rpm

on 6 2 2022

EFI Tuning Fundamentals -> Not relavent

on 4 2 2022

General Car Setup Discussion -> Bucket Seats

on 30 1 2022

EFI Wiring Fundamentals -> UK parts supply and recommendation for relay

on 4 2 2022

General Tuning Discussion -> Driver demand fuel 70 series Toyota

on 3 2 2022

Off Topic Discussion -> Surge tank set up with single in tank pump?

on 31 1 2022

EFI Tuning Fundamentals -> Ignition For Modified Engine

on 31 1 2022

EFI Wiring Fundamentals -> Wiring for LS swap. Battery, alternator and start up.

on 30 1 2022

Engine Building Fundamentals -> Flat top vs dome top pistons

on 28 1 2022

General Engine Building Discussion -> aeronautical epoxy on deck surfaces

on 28 1 2022

General Tuning Discussion -> Knock control and knock count

on 28 1 2022

EFI Tuning Fundamentals -> Quiz AFR units imperial or metrics

on 28 1 2022

General Tuning Discussion -> Exhaust temperature, i need some tips.

on 28 1 2022

Practical Standalone Tuning -> STEADY STATE

on 27 1 2022

General Tuning Discussion -> Rb25 misfire

on 26 1 2022

Understanding AFR -> does stoic afr effect wot

on 25 1 2022

General Tuning Discussion -> Questions about rev limiter strategies

on 25 1 2022

EFI Wiring Fundamentals -> Videos won't play

on 24 1 2022

General Tuning Discussion -> EVO 9 Balance Shaft

on 23 1 2022

Understanding AFR -> Air Temp Compensation

on 23 1 2022

Practical Standalone Tuning -> Max RPM tuning for Knox

on 22 1 2022

EFI Tuning Fundamentals -> Flame Front vs. Knock “Explosion”

on 22 1 2022

Engine Building Fundamentals -> First startup and initial break-in

on 22 1 2022

General Car Setup Discussion -> Lancer wagon 2.0 intense transmission

on 20 1 2022

General Tuning Discussion -> Lift Pump selection and Amperage draw

on 20 1 2022

Off Topic Discussion -> How to have a successfull and productive Car shop

on 19 1 2022

General Engine Building Discussion -> Hypatec pistons 351 Cleveland clearance issue

on 19 1 2022

Webinar Questions -> Idle airflow

on 19 1 2022

Understanding AFR -> Timing

on 19 1 2022

General Tuning Discussion -> Dyno Ramp Rate

on 18 1 2022

General Tuning Discussion -> Knock monitoring for stock ecu.

on 18 1 2022

Introduction to Engine Tuning -> computer

on 17 1 2022

EFI Wiring Fundamentals -> Grounding fibreglass car with trunk mounted battery

on 17 1 2022

How to Degree a Cam -> Piston To Valve Clearance process

on 17 1 2022

General Engine Building Discussion -> Welll this is new...

on 17 1 2022

Practical Motorsport Wiring - Club Level -> SR20de swap

on 16 1 2022

Build Threads -> Oh God where do i start... Midengined LSX Turbo Le Mans inspired with a 1hp to 1KG target

on 14 1 2022

EFI Wiring Fundamentals -> Renault Clio Rs200 Alternator 2 Wire

on 13 1 2022

EFI Wiring Fundamentals -> Tefzel Vs. TXL Amperage

on 13 1 2022

EFI Wiring Fundamentals -> ECU ground to the battery

on 12 1 2022

General Tuning Discussion -> Battery Voltage

on 11 1 2022

EFI Wiring Fundamentals -> Alternator Charging / Digital Dash (no charge light)

on 9 1 2022

Off Topic Discussion -> Requesting opinions on gauge clusters

on 11 1 2022

Engine Building Fundamentals -> Engine raving but stops

on 9 1 2022

General Tuning Discussion -> Setting Pit lane speed limit on M150 for use in Tarmac Rally

on 9 1 2022

MoTeC M1 Software Tutorial -> Rev limit issue !!!!

on 8 1 2022

General Tuning Discussion -> Need help explaining this "Requested Engine Load" map

on 8 1 2022

EFI Tuning Fundamentals -> Intake Air temperature sensor

on 7 1 2022

EFI Wiring Fundamentals -> Additional Connections

on 7 1 2022

General Engine Building Discussion -> Evo ix engine vacuum

on 7 1 2022

General Tuning Discussion -> Electronic Throttle Control

on 6 1 2022

General Tuning Discussion -> wrx 'stumbling' issues

on 5 1 2022

Practical Engine Building -> Machine shop Balancing Crankshaft

on 4 1 2022

PDM Installation & Configuration -> Bulkhead for Battery Cable

on 4 1 2022

PDM Installation & Configuration -> PDM Total Current Capacity

on 1 1 2022

Introduction to Engine Tuning -> Port Injection

on 1 1 2022

Launch Control -> Golf 5 147kW

on 30 12 2021

General Tuning Discussion -> E-Type Jag fuel injection e85 conversion

on 30 12 2021

Off Topic Discussion -> Boost vacuum at idle

on 30 12 2021

General Tuning Discussion -> A really wierd spark issue i havnt seen before

on 30 12 2021

EFI Tuning Fundamentals -> Injector Drives

on 28 12 2021

EFI Tuning Fundamentals -> Ignition Drives

on 28 12 2021

General Engine Building Discussion -> Accusump oil accumilator wiring to fuel pump trigger.

on 27 12 2021

Webinar Questions -> Selecting parts

on 26 12 2021

Motorsport Wheel Alignment Fundamentals -> Teo

on 25 12 2021

Practical Standalone Tuning -> Direct injection tune

on 23 12 2021

General Car Setup Discussion -> Overall tire diameter increase pros and cons?

on 23 12 2021

General Tuning Discussion -> VE at idle too high??

on 21 12 2021

Build Threads -> 2002 Subaru WRX EFR7670

on 20 12 2021

Off Topic Discussion -> Dyno Exhaust Extraction size

on 20 12 2021

EFI Tuning Fundamentals -> Different fuel and Lambda reading

on 20 12 2021

PDM Installation & Configuration -> Determining Chanel Current Limits

on 18 12 2021

General Tuning Discussion -> Is the lambda sensor still necessary after a mapped ng

on 16 12 2021

General Tuning Discussion -> Oil pressure drop after small rev on idle

on 16 12 2021

General Engine Building Discussion -> Concerns on i-beam/tri-beam connecting rods

on 16 12 2021

EFI Tuning Fundamentals -> Throttle Position Sensor

on 16 12 2021

General Engine Building Discussion -> 4G63 OIL PRESSURE

on 15 12 2021

Race Driving Fundamentals -> Track walk

on 14 12 2021

EFI Wiring Fundamentals -> 5 pin hella relay

on 13 12 2021

EFI Wiring Fundamentals -> The voltage in each splicing wires ?

on 13 12 2021

Practical Motorsport Wiring - Club Level -> Old style voltage regulator issues?

on 13 12 2021

EFI Wiring Fundamentals -> Circuit Percent Fuse Rating

on 10 12 2021

EFI Wiring Fundamentals -> AC may used up in automabile engine?

on 12 12 2021

General Engine Building Discussion -> Evo 8 drysump bearing clearances

on 9 12 2021

General Engine Building Discussion -> Rover/P76 V8 worked example

on 8 12 2021

EFI Tuning Fundamentals -> Switched Output

on 7 12 2021

EFI Tuning Fundamentals -> High idle

on 6 12 2021

EFI Tuning Fundamentals -> mechanic

on 6 12 2021

Introduction to Engine Tuning -> Steady State

on 4 12 2021

General Tuning Discussion -> Sequential flat shift 'ring' on gear change

on 4 12 2021

Webinar Questions -> Throttle Body Sizing

on 3 12 2021

Off Topic Discussion -> Shopping Advice -> Wheel Cribs

on 3 12 2021

Practical Reflash Tuning -> Car not doing what its told?

on 1 12 2021

EFI Tuning Fundamentals -> Laptop selections

on 30 11 2021

EFI Wiring Fundamentals -> Battery smoothness

on 30 11 2021

Boost Control -> T3 Turbo manifold adjusted to twin scroll Honda B16

on 30 11 2021

Off Topic Discussion -> Issues, gripes and complaints about conventional 'Cherry-picker' engine hoists?

on 30 11 2021

General Engine Building Discussion -> Little end shimming for piston guided rod

on 30 11 2021

Practical Engine Building -> 4G63 main bearing journals

on 29 11 2021

Practical Engine Building -> Oil seals

on 29 11 2021

EFI Wiring Fundamentals -> Basic Grounding Questions

on 29 11 2021

Engine Building Fundamentals -> machining the correct size of cylinder bore

on 28 11 2021

General Tuning Discussion -> Tuning a Built Motor

on 27 11 2021

Practical Engine Building -> Ring gaps not parallel

on 26 11 2021

Practical Engine Building -> Moroso block filler

on 26 11 2021

General Tuning Discussion -> Altitude effect base fuel pressure?? Also stock 1jz FPR 1:1 rising rate??

on 26 11 2021

General Engine Building Discussion -> Choosing correct turbo size in a sequential diesel setup

on 24 11 2021

EFI Tuning Fundamentals -> Cruise load - best lambda in aim of efficiency

on 23 11 2021

General Tuning Discussion -> Evo 8 with Link G4+ Plugin VE maxed out

on 23 11 2021

General Tuning Discussion -> Is the EPA making tuning illegal?

on 22 11 2021

Off Topic Discussion -> Powertune digital dash

on 23 11 2021

EFI Wiring Fundamentals -> Crankshaft speed fluctuation vs crank reference

on 21 11 2021

General Engine Building Discussion -> R35 burns oil

on 21 11 2021

EFI Tuning Fundamentals -> Car Bogs at WOT

on 20 11 2021

EFI Tuning Fundamentals -> Trigger inputs

on 18 11 2021

Practical Motorsport Wiring - Club Level -> Fuel pressure sensor location

on 18 11 2021

Off Topic Discussion -> Aerospace company in liquidation - motec ecu/pdm's - precison tools and equipment - connectors - wiring all up for sale on auction site

on 16 11 2021

Off Topic Discussion -> Motul 300V Motcycle Oil -vs- Synthetic Car oil in a Twin Turbo

on 16 11 2021

EFI Tuning Fundamentals -> Wave forms

on 16 11 2021

Practical Engine Building -> Sealants to use with cork sump gasket

on 15 11 2021

EFI Tuning Fundamentals -> Air Fuel Ratio

on 15 11 2021

EFI Tuning Fundamentals -> Choosing the correct A.F.R

on 15 11 2021

EFI Tuning Fundamentals -> Secondary fuel pump coming on under boost

on 14 11 2021

EFI Tuning Fundamentals -> Standart conditions

on 14 11 2021

Practical Standalone Tuning -> tps issues

on 13 11 2021

Build Threads -> Evo 4g63 Ring end gaps issue

on 11 11 2021

EFI Tuning Fundamentals -> Pressure Volume Cycle

on 10 11 2021

Ethanol & Flex Fuel Tuning -> MBT

on 10 11 2021

General Tuning Discussion -> Rolling anti-lag and bent valves

on 8 11 2021

EFI Wiring Fundamentals -> Confused

on 8 11 2021

General Engine Building Discussion -> 1967 GTO 400

on 8 11 2021

EFI Tuning Fundamentals -> 2jzge

on 7 11 2021

EFI Tuning Fundamentals -> E85

on 6 11 2021

Race Driving Fundamentals -> Optimal Shift point for 1/4 mile

on 6 11 2021

EFI Tuning Fundamentals -> Help understanding things

on 6 11 2021

Ethanol & Flex Fuel Tuning -> LES COURS SONT EN ANGLAIS

on 4 11 2021

EFI Tuning Fundamentals -> Water To Air Intercooler IAT Placement

on 4 11 2021

General Tuning Discussion -> Charge cooler loop pressure

on 4 11 2021

Build Threads -> Wild Child the 1988 F150

on 4 11 2021

General Engine Building Discussion -> Injector positioning

on 4 11 2021

General Engine Building Discussion -> Material for cylinderblock

on 3 11 2021

General Tuning Discussion -> Torque Management

on 3 11 2021

EFI Tuning Fundamentals -> Pressure Volume Cycle

on 1 11 2021

Motorsport Wheel Alignment Fundamentals -> Wider track at the front

on 1 11 2021

General Tuning Discussion -> 360 degrees base timing offset

on 31 10 2021

General Car Setup Discussion -> Group c

on 31 10 2021

Practical Standalone Tuning -> Warm Up ignition

on 30 10 2021

Suspension Tuning & Optimization -> Leaf springs

on 30 10 2021

General Tuning Discussion -> What ECU I can use to run my V12?

on 28 10 2021

Practical Standalone Tuning -> ACCEL VS THROTTLE

on 28 10 2021

General Tuning Discussion -> Does low end torque hurt a petrol engine?

on 28 10 2021

Race Driving Fundamentals -> Karting Traction circle

on 27 10 2021

General Tuning Discussion -> 2013 STI idle starts at 15 AFR, just goes richer and richer

on 27 10 2021

Engine Building Fundamentals -> Torque to yield

on 25 10 2021

EFI Tuning Fundamentals -> Absolute vs Gauge Pressure

on 25 10 2021

Introduction to Engine Tuning -> Octane and Fuel

on 24 10 2021

Engine Building Fundamentals -> Balancer shalf

on 22 10 2021

General Engine Building Discussion -> Ring End Gaps

on 21 10 2021

Off Topic Discussion -> 4G63 Major Failure

on 20 10 2021

Webinar Questions -> 223 | Dry Sump Systems

on 20 10 2021

General Tuning Discussion -> Tuning with high fuel pressure or lowering?

on 19 10 2021

Practical Motorsport Wiring - Club Level -> How to find a component list

on 17 10 2021

Off Topic Discussion -> Boost issues - exhaust flow opening waste gate possible?

on 16 10 2021

How to Degree a Cam -> Moving powerband to higher rpm

on 16 10 2021

EFI Wiring Fundamentals -> alternator question

on 16 10 2021

General Engine Building Discussion -> Je pistons 79mm stock bore 2nd ring issue

on 16 10 2021

Ethanol & Flex Fuel Tuning -> Blending from pump e85

on 14 10 2021

Ethanol & Flex Fuel Tuning -> methanol instead of ethanol

on 13 10 2021

General Tuning Discussion -> Egt

on 12 10 2021

How to Degree a Cam -> Finding true TDC

on 10 10 2021

General Car Setup Discussion -> Alternator control

on 10 10 2021

How to Degree a Cam -> Camshaft specification sheets

on 10 10 2021

Understanding AFR -> E10 and afr

on 8 10 2021

Variable Cam Control Tuning -> Cam timing vs VE vs max power

on 8 10 2021

Practical Standalone Tuning -> VE table incorrect?

on 8 10 2021

General Engine Building Discussion -> Cadillac 1961 390 v8

on 6 10 2021

Practical Reflash Tuning -> Boost creep on WG spring pressure STI

on 5 10 2021

General Engine Building Discussion -> 2jz engine rebuild failure

on 4 10 2021

General Engine Building Discussion -> 3sgte cam degreeing issue

on 4 10 2021

Suspension Tuning & Optimization -> Helper/Tender Spring and Roll Stiffness?

on 4 10 2021

General Tuning Discussion -> What ECU should I use ?

on 4 10 2021

General Tuning Discussion -> Small turbo lacks gut-punch in the low/mid RPM's

on 3 10 2021

Practical Engine Building -> pressure washer to clean coolant passages

on 2 10 2021

EFI Tuning Fundamentals -> ignition timing's affect on engine temperature

on 2 10 2021

Motorsport Wheel Alignment Fundamentals -> Coilover ride height /bump travel adjustment

on 1 10 2021

EFI Tuning Fundamentals -> Why high resolution Crank Position Sensor?

on 1 10 2021

General Car Setup Discussion -> Fine control over oil cooling system

on 1 10 2021

Practical Standalone Tuning -> Setting base timing without reference marks

on 1 10 2021

Engine Building Fundamentals -> Hot honing

on 30 9 2021

Practical Motorsport Wiring - Club Level -> Best method of passing high-amp power through the body

on 29 9 2021

Off Topic Discussion -> Pressure Vs Reverse bleeding the brakes

on 28 9 2021

General Tuning Discussion -> Random Intake Backfires

on 28 9 2021

General Tuning Discussion -> Fuel Pump upgrade

on 28 9 2021

General Engine Building Discussion -> 4G63 DEEP SCRATCHES ON ROD BEARING SHELLS

on 27 9 2021

Webinar Questions -> Flex-Fuel Tuning — VE Delta for Pump vs E85

on 25 9 2021

Variable Cam Control Tuning -> VCT vs. fuel economy

on 24 9 2021

Suspension Tuning & Optimization -> Measured cg height

on 24 9 2021

Build Threads -> Camshaft sprocket nut

on 23 9 2021

Practical Engine Building -> Freeze Plug Sealant

on 23 9 2021

General Engine Building Discussion -> 4G63 Rod and Main clearance

on 22 9 2021

EFI Wiring Fundamentals -> wiring multipoint 6cly

on 21 9 2021

General Tuning Discussion -> Fuel getting too hot after 90 min drive in warm weather

on 21 9 2021

Motorsport Wheel Alignment Fundamentals -> Live Axle Location

on 20 9 2021

Webinar Questions -> Flat shift, synchro H pattern

on 20 9 2021

General Engine Building Discussion -> Headgasket thickness (is bigger really better)

on 18 9 2021

Engine Building Fundamentals -> How to Use a ring file

on 15 9 2021

Engine Building Fundamentals -> How to use a ring compressor

on 15 9 2021

EFI Tuning Fundamentals -> Ignition timing map.

on 14 9 2021

General Car Setup Discussion -> Load Transfer / Shock Travel

on 14 9 2021

Motorsport Wheel Alignment Fundamentals -> Measuring bump steer

on 14 9 2021

Race Driving Fundamentals -> How close to the apex should you be?

on 13 9 2021

General Tuning Discussion -> Ethanol sensor and fuel pressure sensor issues

on 12 9 2021

Practical Motorsport Wiring - Club Level -> AEM IG1A Ignition Coils with aftermarket Tach

on 12 9 2021

Practical Engine Building -> sr20 main cap torque specs

on 11 9 2021

Race Driving Fundamentals -> Braking vs Engine Braking

on 11 9 2021

Race Driving Fundamentals -> How close to the apex should you be?

on 11 9 2021

General Engine Building Discussion -> Shiny Oil during Inspection

on 11 9 2021

Motorsport Wheel Alignment Fundamentals -> When to check and set bump steer as well as corner weighin?

on 10 9 2021

General Tuning Discussion -> Batch or Multi-Point injection

on 10 9 2021

Build Threads -> 1995 Nissan Skyline GTST - 100% STOCK

on 9 9 2021

Understanding AFR -> Understanding Lean Fuel Mixtures

on 7 9 2021

Variable Cam Control Tuning -> VCT Tuning with Factory ECUs

on 7 9 2021

General Tuning Discussion -> Tuning for fuel economy and increased power

on 7 9 2021

EFI Tuning Fundamentals -> throttle possition test

on 5 9 2021

General Tuning Discussion -> Evo 9 head is known fir warping when ported?

on 4 9 2021

Practical Corner Weighting -> Spring perch preload when compressing sprig

on 3 9 2021

Practical Motorsport Wiring - Club Level -> MoTec PDM30 Fuel Pump & Fan Wiring

on 29 8 2021

Practical Engine Building -> EJ257 Block Oil Galley Iprovements

on 1 9 2021

Practical Reflash Tuning -> strange behaviour

on 1 9 2021

Understanding AFR -> Effect of AFR on Economy

on 31 8 2021

General Tuning Discussion -> 4g69 ecu choice

on 31 8 2021

Motorsport Wheel Alignment Fundamentals -> Nitron pre-load and ride height

on 30 8 2021

EFI Tuning Fundamentals -> tuning help

on 29 8 2021

Practical Motorsport Wiring - Club Level -> Master switch wiring

on 29 8 2021

Practical Engine Building -> 4G63 ADJUSTING MAIN CLEARANCE

on 28 8 2021

General Tuning Discussion -> RX7 tuning questions (low compression post break in)

on 28 8 2021

General Tuning Discussion -> Engine goes lean if RPM drops on takeoff

on 27 8 2021

EFI Wiring Fundamentals -> Is circuit breaker necessary if fuse is present

on 27 8 2021

Build Threads -> E30 325i track build. Grp.a inspiration with a modern twist

on 27 8 2021

General Car Setup Discussion -> Heat Exchanger Ducting Advice

on 27 8 2021

General Engine Building Discussion -> Gaining thrust clearance

on 26 8 2021

EFI Wiring Fundamentals -> SR20DE Ignition Resistor and Condenser

on 25 8 2021

Engine Building Fundamentals -> Engine SEIZING

on 25 8 2021

General Tuning Discussion -> Neural networks???

on 25 8 2021

General Car Setup Discussion -> A/C Compressor - Mechanical to electrical

on 25 8 2021

Practical Motorsport Wiring - Club Level -> Altenator not charging

on 24 8 2021

Off Topic Discussion -> big brake upgrade

on 24 8 2021

EFI Tuning Fundamentals -> MAP Sensor and Reversion from EGR

on 23 8 2021

General Engine Building Discussion -> Oil pan pressure

on 22 8 2021

Motorsport Wheel Alignment Fundamentals -> Canter lever/ inboard suspension.

on 22 8 2021

Member Introductions -> Hello from Colorado

on 21 8 2021

General Tuning Discussion -> Old grandmother's trick to enrich obd1 injection ...😂

on 19 8 2021

Build Threads -> z24 engine building question

on 19 8 2021

EFI Wiring Fundamentals -> Videos don't work

on 19 8 2021

General Tuning Discussion -> Initial Start - Idle issues

on 17 8 2021

EFI Wiring Fundamentals -> Checking ohms on components

on 16 8 2021

EFI Wiring Fundamentals -> Safe wire for fuel tank.

on 15 8 2021

EFI Wiring Fundamentals -> Mil Spec Wiring - Question of wire size

on 15 8 2021

General Tuning Discussion -> Troubleshooting Boost Creep

on 14 8 2021

Understanding AFR -> e30 mix with 93oct

on 14 8 2021

General Car Setup Discussion -> Lateral Roll Center Position

on 14 8 2021

Off Topic Discussion -> dual plate clutch

on 13 8 2021

Motorsport Wheel Alignment Fundamentals -> Rear traction rod for R32 skyline

on 13 8 2021

General Engine Building Discussion -> Cam degree method

on 11 8 2021

General Engine Building Discussion -> Vauxhall 20x breaking valves

on 7 8 2021

General Tuning Discussion -> Trying to understand VE on Audi 3.0t supercharged

on 5 8 2021

Off Topic Discussion -> Choice of turbo

on 4 8 2021

Practical Standalone Tuning -> Semi sequential injection

on 4 8 2021

Ethanol & Flex Fuel Tuning -> Antique Tractor pulling with e85 help

on 2 8 2021

General Tuning Discussion -> 93 oct blend with methanol

on 2 8 2021

General Tuning Discussion -> Intake manifold runner flap delete

on 29 7 2021

General Tuning Discussion -> Dyno Road Simulation - Getting A, B & C coefficients from coast down test

on 28 7 2021

General Tuning Discussion -> Is AFR recommended for cars and bikes different?

on 27 7 2021

Practical Corner Weighting -> Disconnection of Sway Bar End Links (Does this include torsion bars?)

on 27 7 2021

Off Topic Discussion -> Pwm clutch slipper valve

on 27 7 2021

Engine Building Fundamentals -> Deck surfacing also affects CR

on 26 7 2021

Off Topic Discussion -> 4g63 , buy long block

on 23 7 2021

Practical Motorsport Wiring - Club Level -> Correct physical location for battery+ fuse when relocating to trunk

on 23 7 2021

EFI Tuning Fundamentals -> mass air flow

on 22 7 2021

Off Topic Discussion -> FPR location.

on 22 7 2021

Road Tuning -> Step 8 full power tuning detonation

on 21 7 2021

Practical Motorsport Wiring - Club Level -> Fuse center options

on 21 7 2021

General Engine Building Discussion -> Compression ratios

on 21 7 2021

General Tuning Discussion -> Flat foot shift

on 21 7 2021

Motorsport Wheel Alignment Fundamentals -> Panhard rod effect on chassis alignment

on 20 7 2021

General Tuning Discussion -> 15 Escalade Cold Air Intake install followed by engine running extremely ....

on 20 7 2021

Practical Corner Weighting -> Disconnect Roll Bars

on 20 7 2021

General Tuning Discussion -> Comparison between ECUs

on 18 7 2021

Off Topic Discussion -> Wiring of Light and Break Switches.

on 14 7 2021

General Engine Building Discussion -> Can I learn and practice on a Honda 110cc single cylinder engine

on 14 7 2021

General Tuning Discussion -> Steady state ignition tuning what gears toUse

on 14 7 2021

General Tuning Discussion -> ECU Master Black - Startup Problems

on 13 7 2021

General Engine Building Discussion -> Header Manufacturing: 3D Printed prototype blocks

on 13 7 2021

Race Driving Fundamentals -> Why tire friction coefficient changes with load

on 12 7 2021

Understanding AFR -> Centrifugal Supercharged AFR Strategy

on 11 7 2021

General Car Setup Discussion -> Permantently lock centre diff?

on 10 7 2021

Professional Motorsport Data Analysis -> Downforce calculation

on 9 7 2021

General Car Setup Discussion -> Carbon Strut Bars

on 5 7 2021

Understanding AFR -> Cold engine performance issues - AFR ?

on 5 7 2021

EFI Wiring Fundamentals -> alternator charging wire

on 3 7 2021

General Tuning Discussion -> Dyno Dynamics upgrade to Windows 10

on 3 7 2021

General Tuning Discussion -> Ktuner to Virtual Dyno Tuning WOT

on 2 7 2021

Build Threads -> ST185 Celica GT-Four - Time Attack car

on 30 6 2021

Webinar Questions -> Mirror Distance Using Wheel vs Tire Radius

on 1 7 2021

Practical Corner Weighting -> Front wheel circle track set up

on 29 6 2021

Build Threads -> Larger exhaust installed, lost a psi of boost pressure. Single turbo 5.0 Coyote on 8psi wastegate spring pressure

on 29 6 2021

General Engine Building Discussion -> Camshaft lift vs duration independently

on 28 6 2021

EFI Wiring Fundamentals -> Fundamentals

on 25 6 2021

EFI Tuning Fundamentals -> Clarification on AFR burn speed and more

on 25 6 2021

General Car Setup Discussion -> Brake Rotor Weight

on 25 6 2021

Practical Corner Weighting -> Camber and toe on Circle track front wheel drive

on 23 6 2021

General Tuning Discussion -> Component limits

on 20 6 2021

Motorsport Wheel Alignment Fundamentals -> Choosing your ideal ride height

on 20 6 2021

Practical Motorsport Wiring - Club Level -> Sizing for heat shrink labels and clear heat shrink

on 18 6 2021

Practical Engine Building -> Engine rebuilding

on 18 6 2021

Off Topic Discussion -> Garrett turbo supplier

on 17 6 2021

EFI Tuning Fundamentals -> Air Temperature Converison

on 17 6 2021

How to Degree a Cam -> How to Degree a Camshaft with Factory Variable Cam Gear?

on 16 6 2021

General Tuning Discussion -> Bigger turbo - More power?

on 16 6 2021

General Tuning Discussion -> Tune Alterations to decrease exhaust/ engine noise

on 16 6 2021

Practical Standalone Tuning -> Troubleshooting lean issues under opening throttle

on 14 6 2021

General Engine Building Discussion -> HPDE Mazda 2.5l engine failure

on 14 6 2021

Practical Standalone Tuning -> First time on dyno - where to start?

on 10 6 2021

General Tuning Discussion -> 10:1 SR20DET in a GTiR not taking any timing!

on 8 6 2021

EFI Wiring Fundamentals -> wiring fly by wire throttle and electric power steering

on 6 6 2021

Understanding AFR -> understanding afr

on 4 6 2021

General Tuning Discussion -> Airbox vs Ambient pressure

on 3 6 2021

Motorsport Wheel Alignment Fundamentals -> Rim run-out compensation

on 2 6 2021

General Car Setup Discussion -> Wind-powered "race car"

on 2 6 2021

General Engine Building Discussion -> Is oil filter orientation important?

on 1 6 2021

Off Topic Discussion -> OEM Brushless pump with an additional surge tank setup

on 30 5 2021

How to Degree a Cam -> do we use dial indicator for TDC best for Accuracy.

on 28 5 2021

Off Topic Discussion -> Math question

on 28 5 2021

EFI Tuning Fundamentals -> temps during tuning

on 27 5 2021

How to Degree a Cam -> Cam timing and TDC after Head and block milling

on 27 5 2021

General Tuning Discussion -> Elite 2500 Mustang transient throttle improve accuracy to target lambda?

on 27 5 2021

General Engine Building Discussion -> Bore diameter vs stroke length

on 26 5 2021

Off Topic Discussion -> Custom CNC part manufacture ... you can do it !!!

on 25 5 2021

General Tuning Discussion -> Knocking when starting

on 25 5 2021

Motorsport Wheel Alignment Fundamentals -> Bg Racing Digital Castor Camber Gauge

on 25 5 2021

Practical Motorsport Wiring - Club Level -> Gen 5 GM engine.

on 24 5 2021

Webinar Questions -> Webinar 064 Individual Cylinder Fuel Tuning

on 24 5 2021

Off Topic Discussion -> Sr20ve turbine housing

on 22 5 2021

General Tuning Discussion -> Any areas of the map when you DONT want mbt?

on 22 5 2021

Webinar Questions -> Bar vs Spring

on 22 5 2021

Practical Motorsport Wiring - Club Level -> power distribution

on 21 5 2021

Understanding AFR -> AFR table for LPG Vapour injection

on 21 5 2021

General Tuning Discussion -> Engine dies when rev limiter is hit!

on 21 5 2021

Motorsport Wheel Alignment Fundamentals -> KPI and camber gain

on 19 5 2021

General Tuning Discussion -> S13 sr plug and play link ecu on/off while cranking intermittently

on 19 5 2021

Motorsport Wheel Alignment Fundamentals -> Abarth 500 tire wear problem

on 19 5 2021

CANBus Communications Decoded -> What are CAN local dialects?

on 17 5 2021

General Tuning Discussion -> Individual cylinder lambda vs EGT - Interesting results

on 16 5 2021

Ethanol & Flex Fuel Tuning -> Mixing Blends from E85

on 15 5 2021

Practical Engine Building -> buying used valves

on 15 5 2021

General Tuning Discussion -> Adjusted Stock RB26 Cams

on 13 5 2021

Off Topic Discussion -> College vs Experience

on 13 5 2021

Professional Motorsport Data Analysis -> Roll Gradients different front and rear

on 12 5 2021

General Engine Building Discussion -> Header manufacturing - Ice Engine Works ?

on 11 5 2021

Build Threads -> Gr. CM Hillclimb Prototype Project

on 11 5 2021

EFI Wiring Fundamentals -> test light led

on 11 5 2021

General Tuning Discussion -> Elite 2500 ford mustang - fueling issues after road test

on 10 5 2021

General Tuning Discussion -> Motorcycle dyno tuning

on 10 5 2021

General Tuning Discussion -> Reinforce Evo Iv 4G63

on 9 5 2021

Off Topic Discussion -> Carbon buildup and expectations and maintenance

on 7 5 2021

Practical Standalone Tuning -> Clean Idle

on 6 5 2021

Data Analysis Fundamentals -> Lateral and Longitudinal G Confusion

on 6 5 2021

Practical Engine Building -> internal balancing

on 4 5 2021

Practical Engine Building -> ATI Fluid Damper Oszillation

on 4 5 2021

EFI Tuning Fundamentals -> Rotary owner

on 4 5 2021

EFI Tuning Fundamentals -> air filters and intake pipes

on 4 5 2021

EFI Tuning Fundamentals -> peak pressure

on 4 5 2021

General Engine Building Discussion -> Overheating leading to partial tight turnover

on 4 5 2021

Off Topic Discussion -> Regenenerative/Engine braking on an open differential

on 3 5 2021

General Engine Building Discussion -> How are my bearings looking?

on 3 5 2021

Understanding AFR -> NOS with automatic transmission

on 2 5 2021

EFI Tuning Fundamentals -> lean AFR

on 28 4 2021

General Car Setup Discussion -> Air Intake Design and Conical vs Square/Rectangular Filters

on 1 5 2021

Webinar Questions -> String setup Front and Rear Different OD.

on 30 4 2021

Practical Corner Weighting -> Driver ballast

on 29 4 2021

Data Analysis Fundamentals -> Impartial Data

on 29 4 2021

General Tuning Discussion -> Dyno on rubber cushions?

on 28 4 2021

Engine Building Fundamentals -> Thinking behind de-squishing

on 28 4 2021

General Car Setup Discussion -> Brake Upgrade

on 27 4 2021

EFI Tuning Fundamentals -> Intakteair Temperatur and knock

on 25 4 2021

EFI Wiring Fundamentals -> Saturn SC2 alternator wiring issue.

on 25 4 2021

Understanding AFR -> AFR readings.

on 25 4 2021

General Tuning Discussion -> GTX3067R oil restrictor

on 25 4 2021

General Car Setup Discussion -> Book club, anyone?

on 25 4 2021

General Tuning Discussion -> Just blew my first engine while tuning (rod knock), not sure if it is tune related.

on 23 4 2021

General Tuning Discussion -> Odd Dyno Issues

on 22 4 2021

Webinar Questions -> Adjusting ride height

on 21 4 2021

General Tuning Discussion -> Detonation

on 21 4 2021

General Tuning Discussion -> Unstable cold start idle

on 21 4 2021

General Tuning Discussion -> high and unstable idle

on 19 4 2021

Road Tuning -> Retard timing to save brakes?

on 18 4 2021

Build Threads -> BMW 135i Track Car Build

on 16 4 2021

General Tuning Discussion -> Base tune-Very lean idle on supercharged Toyota 86

on 16 4 2021

General Tuning Discussion -> Forced Induction Plenum and Valve Spring Sizing

on 15 4 2021

Practical Standalone Tuning -> flex fuel base fuel pressure issues

on 15 4 2021

EFI Wiring Fundamentals -> Smoothing 5v Output via Rotary Switch

on 15 4 2021

EFI Wiring Fundamentals -> Basic Relay question?

on 15 4 2021

EFI Tuning Fundamentals -> Selecting perfect size of injector

on 14 4 2021

Motorsport Wheel Alignment Fundamentals -> Leaf Spring Rear & Panhard Rod

on 14 4 2021

Practical Engine Building -> Con Rod Bearing Offset

on 14 4 2021

General Tuning Discussion -> Elite 2500 ford dbw throttle body "hums" -

on 12 4 2021

Practical Engine Building -> Different oversized bearings for main and big ends 4G63

on 10 4 2021

Practical Standalone Tuning -> Real benefit of eddy current dyno?

on 10 4 2021

Practical Corner Weighting -> Non adjustable sway bar links

on 10 4 2021

Off Topic Discussion -> 5 Cylinder VW/Audi engines SOHC to DOHC worth it?

on 9 4 2021

Practical Engine Building -> SR20DET Piston/Rods

on 9 4 2021

General Tuning Discussion -> Fuel System Design - Staged Injection

on 8 4 2021

General Engine Building Discussion -> Selecting the right compression ratio

on 8 4 2021

Webinar Questions -> Stainless slip plate

on 8 4 2021

Off Topic Discussion -> Garrett G42-1450 with 1.28 hotside

on 6 4 2021

Road Tuning -> FA20 cam timing road tuning

on 5 4 2021

Motorsport Wheel Alignment Fundamentals -> Alignment on hand-built/classic/non-mass-production cars

on 5 4 2021

Practical Motorsport Wiring - Club Level -> Starter and Alternator wire sizing gauge

on 4 4 2021

General Tuning Discussion -> Injector flow affected by fuel/injector temperature?

on 3 4 2021

General Tuning Discussion -> Coolant temps and when should I be concerened.

on 3 4 2021

Off Topic Discussion -> DBW Linear Potentiometer

on 2 4 2021

General Tuning Discussion -> Ford mustang elite 2500 dbw throttle doesn't match pedal when engine on.

on 2 4 2021

General Tuning Discussion -> Drive By Wire VS Drive By Cable

on 2 4 2021

General Tuning Discussion -> Exhaust pop nature

on 2 4 2021

EFI Wiring Fundamentals -> Ecu read 650rpm with fan ON

on 2 4 2021

Buy Sell and Swap -> Never Used Haltech Elite 2000

on 1 4 2021

General Tuning Discussion -> Another DBW servo on the market

on 1 4 2021

Engine Building Fundamentals -> Rod Bolt Stretch Guage

on 31 3 2021

General Tuning Discussion -> Marine engine oil

on 31 3 2021

General Car Setup Discussion -> Cooling package ductwork

on 30 3 2021

Engine Building Fundamentals -> Crack Testing

on 30 3 2021

General Tuning Discussion -> Manifold pressure reading under boost

on 28 3 2021

EFI Wiring Fundamentals -> Master Cut Out

on 28 3 2021

EFI Wiring Fundamentals -> Alternator charge indicator

on 28 3 2021

Practical Standalone Tuning -> Knock limited or not

on 28 3 2021

General Tuning Discussion -> Help.. cant open any modules

on 28 3 2021

Practical Standalone Tuning -> supercharger pulley reduction and water methanol injection

on 28 3 2021

General Tuning Discussion -> 4G63 adjustable vernier cam pulley gear

on 27 3 2021

Build Threads -> Wanted to share our ECD Electric Range Rover Build

on 26 3 2021

Practical Engine Building -> SR20DET rebuild and reusing components

on 26 3 2021

Engine Building Fundamentals -> Blue printing machinery and Engine building tools

on 26 3 2021

General Engine Building Discussion -> Piston ring help

on 25 3 2021

EFI Tuning Fundamentals -> Optimal crank angle for maximum combustion pressure

on 25 3 2021

Off Topic Discussion -> Dry-sump: What do you do with the internal oil pump ?

on 24 3 2021

Webinar Questions -> 240 | Methanol Tuning Considerations

on 24 3 2021

Engine Building Fundamentals -> "Piston Position vs Crank Angle vs Rod Length" Graphic

on 24 3 2021

Off Topic Discussion -> Bearing going bad?

on 24 3 2021

Motorsport Wheel Alignment Fundamentals -> Using different roll bar holes

on 23 3 2021

Build Threads -> methanol build

on 23 3 2021

Introduction to Engine Tuning -> I can't watch it ?

on 22 3 2021

Member Introductions -> Am I in the right place?

on 22 3 2021

EFI Wiring Fundamentals -> The big three.

on 22 3 2021

EFI Tuning Fundamentals -> EFI Tuning Fundamentals: BSFC Values

on 22 3 2021

General Tuning Discussion -> vp racing octanium unleaded

on 22 3 2021

General Tuning Discussion -> Should I bottom out this stud for knock sensor?

on 21 3 2021

General Car Setup Discussion -> N15 Pulsar Steering not self centering

on 21 3 2021