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Gord

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Latest Activity

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

Understanding AFR -> e30 mix with 93oct

on 28 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

Off Topic Discussion -> Pressure Vs Reverse bleeding the brakes

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

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 -> 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 Tuning Discussion -> Component limits

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 -> Vw 8v normally aspirated stroke to bore size

on 9 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

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

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

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

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

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

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

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

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 Tuning Discussion -> Dyno on rubber cushions?

on 28 4 2021

Engine Building Fundamentals -> Thinking behind de-squishing

on 28 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 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

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

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

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

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

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

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

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

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

Boost Control -> Can same CR stock's piston or higher compression ratio piston in Turbo Charger Setup?

on 20 3 2021

Practical Engine Building -> Old head as Torque plate

on 19 3 2021

General Tuning Discussion -> Recommendation for timing light

on 19 3 2021

EFI Wiring Fundamentals -> Fuel level

on 19 3 2021

General Tuning Discussion -> Spark plug gap , boost or octane a consideration?

on 18 3 2021

General Tuning Discussion -> Mechanical loud knock feed

on 18 3 2021

Practical Engine Building -> Con Rod Honing Resize

on 17 3 2021

General Tuning Discussion -> G35-900 or G35-1050 on 2jz

on 17 3 2021

Engine Building Fundamentals -> Minor thrust face

on 26 2 2021

Engine Building Fundamentals -> Exhaust valve opening time

on 17 3 2021

General Tuning Discussion -> Transmission temp sensor

on 16 3 2021

EFI Wiring Fundamentals -> Deutsch DT Connectors for 12v and earth convention?

on 14 3 2021

Practical Standalone Tuning -> question

on 13 3 2021

Understanding AFR -> standard conditions

on 12 3 2021

Practical Standalone Tuning -> Dyno room exhaust muffler and impact on tuning accuracy

on 12 3 2021

EFI Wiring Fundamentals -> Wiring sizing

on 12 3 2021

General Engine Building Discussion -> How far can I go with cam timing and these clearances?

on 10 3 2021

Practical Engine Building -> Sump glue

on 10 3 2021

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

on 8 3 2021

Off Topic Discussion -> Dynamic compression ratio

on 6 3 2021

Practical Engine Building -> Con Rod Honing Resize

on 8 3 2021

General Tuning Discussion -> Ls drag racing best ecu?

on 7 3 2021

Member Introductions -> Rich from the UK

on 7 3 2021

Practical Engine Building -> Planning turbo build - how do i choose my ideal compression ratio when ordering pistons?

on 6 3 2021

General Tuning Discussion -> Compression

on 5 3 2021

General Tuning Discussion -> High Manifold Pressures

on 4 3 2021

Off Topic Discussion -> Hub Dyno mathematics

on 4 3 2021

Engine Building Fundamentals -> ARP Fastener Tensile Strength Question

on 3 3 2021

General Engine Building Discussion -> Any reason why I can’t check v2v clearance with the head upside down on the workbench?

on 3 3 2021

Road Tuning -> Tweaks for aluminum flywheel

on 3 3 2021

General Engine Building Discussion -> Should head studs be staying finger tight? Is there a trick to this?

on 3 3 2021

General Tuning Discussion -> SUZUKI SWIFT G13B DISTRIBUTOR TO COIL ON PLUG CONVERSION

on 3 3 2021

Practical Engine Building -> Ring gap or bore size overdone?

on 3 3 2021

Practical Standalone Tuning -> RX7 FD3S - Cold start and idle issues when cold; no issues when hot.

on 2 3 2021

General Engine Building Discussion -> How much should valves leak? (I may have solved the mysteries)

on 28 2 2021

General Tuning Discussion -> SR20DET Volumetric Efficiency Table Dips

on 28 2 2021

Member Introductions -> Rob from Australia - Aussie 69 Ford Falcon Project

on 28 2 2021

General Tuning Discussion -> I need some help please 2006 chevy 2500hd 6.0 ls

on 28 2 2021

General Engine Building Discussion -> Who's torque specs to go by?

on 27 2 2021

General Engine Building Discussion -> Need a sanity check on cam card, doesn't all add up.

on 27 2 2021

How to Degree a Cam -> Measuring piston to valve clearance with solid lifters/rockers

on 27 2 2021

How to Degree a Cam -> Four stroke

on 26 2 2021

Practical Motorsport Wiring - Club Level -> Earthing the gearbox to the body

on 26 2 2021

Understanding AFR -> Fuel Flow Based On Air Flow

on 25 2 2021

Off Topic Discussion -> How much do you change torque from spec for anti-seize

on 25 2 2021

General Engine Building Discussion -> Yikes! Help changing valve spring while head installed on block

on 25 2 2021

General Tuning Discussion -> WRX Misfire, Flashing check engine, Bucking, Hesitation

on 24 2 2021

Understanding AFR -> WOT @ 2000rpm

on 24 2 2021

Engine Building Fundamentals -> Compression Ratio

on 24 2 2021

General Engine Building Discussion -> Piston to cylinder wall clearance question

on 23 2 2021

General Tuning Discussion -> SSR Issue

on 23 2 2021

EFI Wiring Fundamentals -> Battery Wire & Cable

on 22 2 2021

General Tuning Discussion -> venting fuel tank pressure

on 22 2 2021

General Tuning Discussion -> Wrx EJ high power high boost track ta build

on 22 2 2021

General Engine Building Discussion -> would a spare head with the same valves and cams & rocker arms have the same (or very close) v2v clearance?

on 21 2 2021

Practical Engine Building -> Oil pump shim

on 21 2 2021

Practical Standalone Tuning -> Horsepower

on 21 2 2021

Practical Standalone Tuning -> Golf from course syvecs

on 21 2 2021

Practical Engine Building -> Bearing clearance

on 20 2 2021

General Engine Building Discussion -> Avoiding v2v contact while while checking v2p clearances

on 20 2 2021

General Tuning Discussion -> Weird behavior on low load conditions

on 20 2 2021

EFI Wiring Fundamentals -> Ground and Earth

on 19 2 2021

Engine Building Fundamentals -> Compression ratio

on 18 2 2021

How to Degree a Cam -> Newman camshaft spec sheet

on 18 2 2021

Build Threads -> Evo 8 rocker arms failure

on 16 2 2021

Member Introductions -> Lars from NL with a 1967 electric Volvo Amazon wagon project

on 16 2 2021

General Tuning Discussion -> PWM control of a standard fuel pump

on 16 2 2021

General Tuning Discussion -> Bench top power supply

on 16 2 2021

General Tuning Discussion -> How to best restrict an oversized Holley Dominator style throttle body for better response?

on 13 2 2021

Practical Engine Building -> Valve failure analysis

on 12 2 2021

General Tuning Discussion -> Boost contradictions confusing a newbie

on 12 2 2021

EFI Tuning Fundamentals -> air density

on 11 2 2021

Practical Engine Building -> PISTON RINGS POSITION

on 11 2 2021

How to Degree a Cam -> What If crankshaft centerline is offset to the cylinders?

on 11 2 2021

Off Topic Discussion -> Coolant pressure warnings and setup

on 11 2 2021

Practical Engine Building -> BMW B48 Piston Failure Analysis

on 10 2 2021

General Tuning Discussion -> Strange VE numbers around motorway cruise

on 9 2 2021

Practical Engine Building -> 3S-GTE conrod bearing wear pattern

on 7 2 2021

Introduction to Engine Tuning -> Cam Angle

on 6 2 2021

Practical Engine Building -> Testing Crankcase ventilation efficiency

on 5 2 2021

Practical Engine Building -> Studs

on 3 2 2021

EFI Wiring Fundamentals -> Voltage drop after engine start

on 31 1 2021

Understanding AFR -> Knock limited Engine

on 31 1 2021

General Engine Building Discussion -> Sr20 oil pump cover not flush with deck

on 31 1 2021

Off Topic Discussion -> ZDDP how much is too much?

on 29 1 2021

General Engine Building Discussion -> Tips on marking the crank pulley for true TDC

on 28 1 2021

General Tuning Discussion -> Max ignition timing at low load and high RPM?

on 28 1 2021

General Tuning Discussion -> RB26 piston crown deposits

on 26 1 2021

General Tuning Discussion -> Lambda at idle

on 25 1 2021

Engine Building Fundamentals -> How to measure and change compression ratio

on 25 1 2021

General Engine Building Discussion -> Mitsubishi Evo 8 Jenvey ITB

on 24 1 2021

General Engine Building Discussion -> Compression change after break in?

on 23 1 2021

General Tuning Discussion -> Are AFRs accurate when under no load?

on 21 1 2021

General Engine Building Discussion -> Scratched pistons and cylinder wall

on 21 1 2021

Practical Engine Building -> Total Seal Piston Rings

on 19 1 2021

EFI Wiring Fundamentals -> ECU shuts off when cranking, and stays off until reset

on 19 1 2021

Practical Engine Building -> crankshaft journal wear

on 18 1 2021

Practical Standalone Tuning -> Cold Start/ Forged Piston

on 17 1 2021

General Tuning Discussion -> Why is there an idle setting for when vehicle is moving

on 17 1 2021

Engine Building Fundamentals -> compression ratios

on 16 1 2021

Practical Engine Building -> Intake manifold runner leak between cylinders (Theoretical question)

on 16 1 2021

Engine Building Fundamentals -> minimal gap between piston and spark plug

on 15 1 2021

General Tuning Discussion -> Alternator on standalone ECU

on 14 1 2021

General Tuning Discussion -> Converting LPG to Unleaded (High Compression)

on 14 1 2021

Off Topic Discussion -> Mystery Problem! Can't get idle low enough, Is it a mortal sin to mess with the throttle stop screw?

on 14 1 2021

General Tuning Discussion -> Question about higher octane fuel

on 14 1 2021

General Tuning Discussion -> Can someone please explain false lean?

on 13 1 2021

General Tuning Discussion -> Realizing what a mess my tuner left for me. Need some guidance cleaning it up

on 12 1 2021

Engine Building Fundamentals -> Sleeving Cast Iron Block

on 11 1 2021

General Tuning Discussion -> Affect of changing spark plugs (gap & heat range) on existing tune

on 9 1 2021

Engine Building Fundamentals -> Options, if any, for a crankshaft that has out of spec circle runout

on 9 1 2021

Build Threads -> RB25DET Valve lifter/Shim Clearance problem

on 8 1 2021

General Engine Building Discussion -> CP CARRILLO CON ROD BOLT STRETCH

on 8 1 2021

Understanding AFR -> Regarding a slightly richer target lamda with a cat

on 7 1 2021

General Tuning Discussion -> My first attempt at tuning had a mishap, need some reassurance / wisdom

on 7 1 2021

Understanding AFR -> Fat afr for torque?

on 5 1 2021

Engine Building Fundamentals -> Compression Ratio

on 5 1 2021

Webinar Questions -> 260 Piston to Valve Clearance, head gaskets

on 5 1 2021

Engine Building Fundamentals -> rod replacement

on 5 1 2021

General Tuning Discussion -> Bosch 82mm Electronic Throttle Bodies - Whats the Difference?

on 2 1 2021

Practical Engine Building -> unit of measure for bore gauge

on 2 1 2021

How to Degree a Cam -> Various Engines Vs cam degreeing tools

on 2 1 2021

Practical Engine Building -> Dry Sump can effect Piston to wall clearence?

on 2 1 2021

General Tuning Discussion -> Issues after installing precision works ignition coils and armaspeed carbon air intake

on 1 1 2021

Practical Standalone Tuning -> AEM infinity E85 fuel set up Lambda vs AFR

on 30 12 2020

EFI Tuning Fundamentals -> RPM for airflow equation

on 30 12 2020

General Tuning Discussion -> What sensors should you have on standalone ?

on 26 12 2020

General Tuning Discussion -> ITB on a bit different way

on 23 12 2020

Engine Building Fundamentals -> How to work out dish size?

on 23 12 2020

Practical Engine Building -> Cylinder Head Rebuild

on 23 12 2020

Off Topic Discussion -> Improving HPA site suggestion.

on 21 12 2020

EFI Tuning Fundamentals -> AFR Air Or Oxygen

on 20 12 2020

General Tuning Discussion -> Single or Twin Wideband RB26DETT

on 20 12 2020

General Tuning Discussion -> Dyno question

on 19 12 2020

Engine Building Fundamentals -> Lack of fundamentals

on 19 12 2020

Off Topic Discussion -> Speed sensor options

on 19 12 2020

Practical Standalone Tuning -> Imjectors for a 50/50 nitromethane mix

on 18 12 2020

EFI Tuning Fundamentals -> Hertz vs time and data logging

on 16 12 2020

Webinar Questions -> Valve to Piston Clearance Webinar

on 15 12 2020

Understanding AFR -> AFR target for pump gas + water methanol-injektion

on 15 12 2020

Build Threads -> Landrover Defender offroader Project

on 15 12 2020

Off Topic Discussion -> need some help on this. Aux Alternator on In series batteries and using 12/24V Loads

on 14 12 2020

General Tuning Discussion -> Fa20 boosted engine build

on 11 12 2020

Practical Engine Building -> Aluminium Marine Engine Painting or not

on 10 12 2020

Off Topic Discussion -> What Hp is needed to run 10.99-11.2 with a BRZ/86

on 10 12 2020

Engine Building Fundamentals -> how much power will I loss when dropping Compression from12:5.1 to 10:7.1 on a centrifugal supercharger that peaks @14psi and runs on E85

on 10 12 2020

General Engine Building Discussion -> Design of a custom wet sump from scratch for VQ37

on 10 12 2020

EFI Tuning Fundamentals -> Choosing the correct AFR

on 9 12 2020

General Tuning Discussion -> Building a FA2.1 for drag racing which of these cams will be best for boost and shift point of 8000 rpm

on 9 12 2020

General Engine Building Discussion -> My Frs rebuild— how much power will I loss when dropping Compression from12:5.1 to 10:7.1 on a centrifugal supercharger that peaks @14psi and runs on E85

on 8 12 2020

General Tuning Discussion -> Knock at 10 degree on k24 turbo

on 8 12 2020

How to Degree a Cam -> degreeing the exhaust cam

on 7 12 2020

Engine Building Fundamentals -> Engine Bore size to oversize or not to

on 7 12 2020

Engine Building Fundamentals -> Break-in with new lifters

on 7 12 2020

Engine Building Fundamentals -> Piston ring end gaps

on 7 12 2020

General Tuning Discussion -> 4D fuel trim using fuel pressure

on 7 12 2020

Understanding AFR -> Target AFR

on 6 12 2020

EFI Tuning Fundamentals -> Tips on how to make better choices that cost less time and cost

on 4 12 2020

General Tuning Discussion -> N/A efi Motor running E85 with Nitrous

on 3 12 2020

How to Degree a Cam -> Cam degreeing questions

on 1 12 2020

EFI Wiring Fundamentals -> Solid State Power Relays

on 1 12 2020

EFI Tuning Fundamentals -> Lean Tuning and Ignition Timing

on 1 12 2020

Understanding AFR -> EGT

on 1 12 2020

General Tuning Discussion -> Need Help!!

on 30 11 2020

Engine Building Fundamentals -> how to use thread gauge

on 29 11 2020

EFI Tuning Fundamentals -> Air box

on 29 11 2020

General Tuning Discussion -> ECU Suggestion

on 28 11 2020

General Tuning Discussion -> FPR vacuum with ITBs

on 27 11 2020

Engine Building Fundamentals -> Bore guage readings

on 27 11 2020

EFI Wiring Fundamentals -> Body on Frame cars

on 27 11 2020

Off Topic Discussion -> Axle-hub dyno DIY

on 27 11 2020

General Tuning Discussion -> FPR and Individual Throttle Bodies?

on 26 11 2020

General Engine Building Discussion -> 2JZGTE oil sump considerations

on 26 11 2020

EFI Tuning Fundamentals -> shift light

on 26 11 2020

General Engine Building Discussion -> Custom head stud torque

on 25 11 2020

Off Topic Discussion -> Davies Craig Electric Water Pump EWP150

on 25 11 2020

Introduction to Engine Tuning -> What's is filkes

on 24 11 2020

Build Threads -> 2002 Subaru WRX | Turbo, AWD, 2.0L 4cyl | Street/Circuit Build

on 22 11 2020

General Tuning Discussion -> R32 GTR Fuel Pump

on 22 11 2020

Practical Engine Building -> Choosing right valve springs for firced induction engine.

on 21 11 2020

Understanding AFR -> AFR COMPENSATION

on 21 11 2020

Practical Engine Building -> Machining down Rods

on 20 11 2020

Practical Standalone Tuning -> Dyno'ing

on 20 11 2020

General Engine Building Discussion -> 4g63t engine failiure rod snapped

on 20 11 2020

General Engine Building Discussion -> Question on porting cylinder heads

on 19 11 2020

Build Threads -> No one tunes my car ? But has potential.

on 18 11 2020

General Tuning Discussion -> crazy power loss

on 18 11 2020

Practical Standalone Tuning -> Flooding at idle

on 18 11 2020

Off Topic Discussion -> Tuning Direct Injection Engine Problem

on 17 11 2020

Practical Engine Building -> Mechanical Failure

on 15 11 2020

Practical Standalone Tuning -> XF Falcon TFI ignition issues

on 14 11 2020

General Engine Building Discussion -> Re-torqueing head studs (heating engine)

on 13 11 2020

General Engine Building Discussion -> SR20VET PISTONS

on 12 11 2020

General Tuning Discussion -> ls1 alternator load

on 12 11 2020

General Tuning Discussion -> First time turbo tuning noob question, wastegate opening?

on 11 11 2020

Understanding AFR -> Aircooled Volkswagen

on 9 11 2020

General Engine Building Discussion -> Low CR Piston to wall Clearence VQ35DE - turbo build

on 9 11 2020

Practical Engine Building -> How important to balance conrods / pistons?

on 7 11 2020

Webinar Questions -> How to choose a supercharger . Clutched Supercharger?

on 7 11 2020

General Tuning Discussion -> Haltech not hitting targets

on 7 11 2020

General Engine Building Discussion -> Mechanical influences on maximum rev limit

on 6 11 2020

General Tuning Discussion -> 4G63 HIGH COMP TURBO

on 5 11 2020

Off Topic Discussion -> Glossary of terms

on 5 11 2020

General Tuning Discussion -> Cylinder pressure, boost or ignition Advance?

on 5 11 2020

Understanding AFR -> Diagram afr effects on emissions

on 4 11 2020

Off Topic Discussion -> When is a tuner liable

on 4 11 2020

Practical Standalone Tuning -> Help Needed - RB26 Detonation (Knocking, Pinging, etc...)

on 2 11 2020

EFI Tuning Fundamentals -> Compression Ratio

on 2 11 2020

General Engine Building Discussion -> Pitting on intake valve face

on 2 11 2020

Practical Engine Building -> Fresh up honing or not

on 30 10 2020

Member Introductions -> Paulster2 From Virginia

on 30 10 2020

How to Degree a Cam -> Cam Gears Advancing and Retard

on 30 10 2020

General Engine Building Discussion -> Chamfering of cylinder ports

on 30 10 2020

Build Threads -> 700+whp 1995 Ford Taurus SHO shooting for 9's!

on 30 10 2020

How to Degree a Cam -> Understanding my cam

on 28 10 2020

General Engine Building Discussion -> rb25det kelford cams

on 27 10 2020

Webinar Questions -> 120 Selecting a Suitable ECU For Your Application

on 28 10 2020

Engine Building Fundamentals -> Flexi hone

on 27 10 2020

General Engine Building Discussion -> Valve to Piston Clearance

on 26 10 2020

Webinar Questions -> Choosing the Right Injectors?

on 26 10 2020

Practical Engine Building -> Scretches when measuring bearing shells

on 22 10 2020

Engine Building Fundamentals -> Gudgeon Pin Offset

on 22 10 2020

Build Threads -> Austin 1800 Rally car - BMC B Series

on 22 10 2020

Engine Building Fundamentals -> all about torque plate

on 21 10 2020

EFI Tuning Fundamentals -> 1300-1500 egts on built LS2

on 21 10 2020

Member Introductions -> Hello from the Highlands of Scotland!

on 21 10 2020

General Tuning Discussion -> Fuel

on 20 10 2020

Off Topic Discussion -> Throttle bodies from suzuki hyabusa gen 2 on a ford escort mk 2 rs2000

on 20 10 2020

Off Topic Discussion -> Throttle body diameter effect on restricted naturally aspirated engines

on 19 10 2020

General Tuning Discussion -> Long Duration Cam Help

on 18 10 2020

Member Introductions -> Old guy on the block... :)

on 16 10 2020

How to Degree a Cam -> Degreeing HKS camshafts

on 15 10 2020

General Engine Building Discussion -> Plenum and collector: a symbiotic relationship ?

on 15 10 2020

General Tuning Discussion -> Anyone have experiance with LPG Liquid Injection

on 15 10 2020

General Tuning Discussion -> 1991 Miata Turbo

on 14 10 2020

Practical Engine Building -> Is white material scraping off new bearings when spun by hand normal

on 14 10 2020

Off Topic Discussion -> Main Cap Girdle Design

on 12 10 2020

General Engine Building Discussion -> CNC machined Cam Caps for r26dett

on 11 10 2020

Practical Standalone Tuning -> 360 degrees out of timing

on 11 10 2020

Build Threads -> Slow car fast... ish

on 11 10 2020

General Tuning Discussion -> Barra drag car,fuel inj and HP tuner???

on 11 10 2020

How to Degree a Cam -> Extension rod

on 11 10 2020

General Tuning Discussion -> Holden Colorado 2.8 diesel

on 10 10 2020

EFI Tuning Fundamentals -> Air Density

on 10 10 2020

How to Degree a Cam -> How to measure camshaft without spec sheet of the cam?

on 10 10 2020

General Tuning Discussion -> Help with buying new piston rings.

on 9 10 2020

How to Degree a Cam -> True TDC Question

on 8 10 2020

Member Introductions -> English Man in Australia

on 7 10 2020

Engine Building Fundamentals -> Main bearing failure- photos

on 6 10 2020

EFI Tuning Fundamentals -> metric units

on 6 10 2020

Buy Sell and Swap -> WTB barra in USA

on 5 10 2020

General Engine Building Discussion -> Mazda BP-4W Rod to Stroke ratio

on 4 10 2020

General Tuning Discussion -> Turbo Oil feed heat

on 4 10 2020

General Engine Building Discussion -> Compressor Ratio 11.5:1 and boost

on 2 10 2020

Practical Standalone Tuning -> Clutch Switch Config

on 2 10 2020

Off Topic Discussion -> Phenolic spacers

on 2 10 2020

Webinar Questions -> #254 - Understanding Torque and Power

on 2 10 2020

General Tuning Discussion -> Diablo tuner.

on 1 10 2020

Off Topic Discussion -> Intercooler pipe length/volume

on 1 10 2020

EFI Tuning Fundamentals -> Tuning using Timing

on 1 10 2020

Engine Building Fundamentals -> Torque Wrench Brand Recommendations

on 1 10 2020

Practical Engine Building -> High compression pistons on a methanol engine

on 1 10 2020

How to Degree a Cam -> Degree wheel moved ?

on 30 9 2020

General Tuning Discussion -> Mini Cooper

on 29 9 2020

General Tuning Discussion -> Advice on tuning a Botched Job

on 28 9 2020

Engine Building Fundamentals -> blowby

on 28 9 2020

General Tuning Discussion -> Tuning Software for Mahindra Roxor

on 27 9 2020

Off Topic Discussion -> Octane Rating History

on 25 9 2020

EFI Tuning Fundamentals -> VE

on 25 9 2020

Engine Building Fundamentals -> Formulas for Plotting

on 24 9 2020

Practical Engine Building -> Balancing Con Rods

on 23 9 2020

EFI Tuning Fundamentals -> AFR

on 23 9 2020

General Tuning Discussion -> K20 swapped 370z which ecu???

on 23 9 2020

General Engine Building Discussion -> SR20DET Black Top (s15)

on 20 9 2020

General Tuning Discussion -> Motec M8 - attempting to run twin Jaguar Fuel Pump PWM units - advice please

on 16 9 2020

Practical Engine Building -> ARP main stud spins during torque procedure.

on 16 9 2020

General Engine Building Discussion -> Timing belt stretch

on 16 9 2020

Off Topic Discussion -> planing RB28 build need some advice

on 15 9 2020

General Tuning Discussion -> 3d printed parts?

on 14 9 2020

Member Introductions -> G'day from dirty ol' Aucks!

on 7 9 2020

General Tuning Discussion -> Density Ratio and CFM

on 13 9 2020

General Tuning Discussion -> EJ25s: Forged Internals & Low RPM/Load Knock

on 11 9 2020

General Tuning Discussion -> Oil Pressure Drop After a Period at High Load

on 11 9 2020

Engine Building Fundamentals -> Why do main bores need a cross hatch finish?

on 10 9 2020

Understanding AFR -> Calibration or Verification of AF meter with Bosch LSU 4.9 sensor

on 10 9 2020

General Tuning Discussion -> Automatic steady state tuning

on 7 9 2020

Engine Building Fundamentals -> bore measurement

on 7 9 2020

Engine Building Fundamentals -> Boring and Honing

on 7 9 2020

General Tuning Discussion -> Coil on Plug (COP) compared to Coil Pack and Ignition Leads

on 5 9 2020

General Tuning Discussion -> Help! - No Start, has fuel, spark, compression....

on 5 9 2020

Practical Engine Building -> Wirelock life

on 5 9 2020

Understanding AFR -> Wideband sensor placement on a straight piped engine

on 5 9 2020

General Engine Building Discussion -> Is it efficient to build a 1.8l 4 cylinder engine in a twin turbo configuration?

on 5 9 2020

General Tuning Discussion -> Dynocom 15000fx Setup

on 4 9 2020

Off Topic Discussion -> Time to pull the trigger...

on 4 9 2020

General Tuning Discussion -> Garrett turbo speed sensor

on 3 9 2020

Ethanol & Flex Fuel Tuning -> Best location for flex fuel sensor

on 1 9 2020

Practical Engine Building -> Ideas to clean engine parts(getting rid of sludge)

on 29 8 2020

General Tuning Discussion -> won't stay running

on 29 8 2020

EFI Tuning Fundamentals -> Crank position sensor

on 29 8 2020

Practical Engine Building -> Rb26dett valvle clearance

on 28 8 2020

Engine Building Fundamentals -> Torque wrench

on 27 8 2020

EFI Tuning Fundamentals -> Lambda 1.0 and perfect combustion

on 27 8 2020

Road Tuning -> Fuel Table Configuration - ITB NA Enging

on 27 8 2020

General Engine Building Discussion -> 4 cylinder engine with one piston oversized with 0.5mm

on 27 8 2020

EFI Tuning Fundamentals -> Cutting off injectors during overrun

on 25 8 2020

Understanding AFR -> Stoichiometric AFR and Lambda in MS43

on 25 8 2020

EFI Tuning Fundamentals -> Cutting off injectors during overrun

on 25 8 2020

General Tuning Discussion -> Idle control without DBW on alpha-n with ITBs

on 25 8 2020

General Tuning Discussion -> Losing boost at high rpm, how to be sure its the turbo's flow limit?

on 25 8 2020

Practical Engine Building -> Engine rebuild issue: Vertical score marks and shiny cylinder walls

on 23 8 2020

General Tuning Discussion -> hello everyone what do you think of the ecu fueltech?

on 22 8 2020

General Tuning Discussion -> DBW dies after 40%?

on 22 8 2020

General Tuning Discussion -> EGT Range

on 21 8 2020

Practical Standalone Tuning -> Jagged Dyno chart

on 20 8 2020

Understanding AFR -> E10 and afr

on 20 8 2020

General Engine Building Discussion -> Evo 8 , automatic transmission

on 19 8 2020

General Tuning Discussion -> Everything spark plugs

on 19 8 2020

Off Topic Discussion -> GM Electronic throttle body help

on 18 8 2020

EFI Tuning Fundamentals -> E50 Stoich

on 18 8 2020

Webinar Questions -> 185 | Installing Wire Locks and Spiro Locks

on 18 8 2020

EFI Tuning Fundamentals -> Peak vs Average Cylinder Pressure -> Torque

on 15 8 2020

General Tuning Discussion -> Turbo is getting really hot without much boost

on 15 8 2020

Engine Building Fundamentals -> 98vs100 gasoline

on 14 8 2020

Webinar Questions -> 209 | What Is Compressor Surge?

on 11 8 2020

Off Topic Discussion -> Introducing people to HP Academy

on 11 8 2020

General Tuning Discussion -> Making an aggressive camshaft drive better at low rpm

on 3 8 2020

Practical Engine Building -> Practical Engine Building - Rods Big end clearance

on 3 8 2020

Practical Engine Building -> Bearings cleaning and inspection

on 2 8 2020

General Tuning Discussion -> Intake restrictors tuning

on 28 7 2020

Practical Engine Building -> turning a crankshaft

on 27 7 2020

Build Threads -> 1973 KE20 + SR20DET Build

on 27 7 2020

General Tuning Discussion -> Specks on plug

on 27 7 2020

Off Topic Discussion -> Modular 4.6 2v cr

on 27 7 2020

Practical Engine Building -> LS1: Balancing The Rotating Assembly On V8 Engines

on 25 7 2020

Build Threads -> Ford F150 4x4 with 521cu

on 23 7 2020

How to Degree a Cam -> Solid and hydraulic cam profile

on 21 7 2020

General Tuning Discussion -> RB26 Abnormally high EGT on one cylinder. Individual EGT setup. Map and Log attached. Haltech 2500

on 19 7 2020

General Tuning Discussion -> Effect of Injection timing on EGT, with Port Injected Gasoline.

on 19 7 2020

Practical Engine Building -> Max Main Bearing Clearance to Big

on 19 7 2020

Off Topic Discussion -> nissan rb overheating under high load.

on 17 7 2020

Off Topic Discussion -> 12.5 gpm weldon mechanical fuel pump

on 15 7 2020

Engine Building Fundamentals -> Calculating the Redline of Your Built Motor

on 14 7 2020

General Engine Building Discussion -> Rebuild or not a overheated engine

on 14 7 2020

Engine Building Fundamentals -> Wire Lock / Circlip installation HELP! So damn frustrating !

on 11 7 2020

Understanding AFR -> EGT Limit

on 11 7 2020

Engine Building Fundamentals -> Torrington thrust clearance

on 11 7 2020

General Tuning Discussion -> Falcon Barra motors

on 10 7 2020

Practical Engine Building -> Oil ring spacer

on 10 7 2020

Engine Building Fundamentals -> Benefits of increasing stroke vs. increasing rod to stroke ratio

on 8 7 2020

General Tuning Discussion -> Does it exist a low spec "Bosch 044 style" lift pump.

on 6 7 2020

General Tuning Discussion -> Idle throttle blipping causing random misfires

on 6 7 2020

Build Threads -> S2000 - EFR 7064 Twin Scroll / IWG / Pfab Top Mount / V-Mount build

on 6 7 2020

Engine Building Fundamentals -> Subaru clearance

on 6 7 2020

General Tuning Discussion -> High egts?

on 4 7 2020

Ethanol & Flex Fuel Tuning -> which spark plug for E85

on 4 7 2020

Introduction to Engine Tuning -> Terrible Idle Exhaust Smell

on 4 7 2020

EFI Tuning Fundamentals -> VE vs engine volume

on 4 7 2020

Webinar Questions -> 223 - Dry Sump Systems

on 3 7 2020

Off Topic Discussion -> Exhaust size

on 3 7 2020

General Tuning Discussion -> From pumpgas to E85 - Lambda/EGT problems - engine killed

on 3 7 2020

General Tuning Discussion -> exhaust temp at idle

on 3 7 2020

General Tuning Discussion -> In line solenoid valve for oil cooler

on 3 7 2020

General Tuning Discussion -> problem gasoline in the oil

on 3 7 2020

Build Threads -> AWD 4 Rotor Twin Turbo RX7-FD

on 3 7 2020

General Engine Building Discussion -> Thread sealant on exhaust manifold studs

on 3 7 2020

General Engine Building Discussion -> Oil filter relocation Pros and Cons

on 3 7 2020

How to Degree a Cam -> True Tdc

on 3 7 2020

Off Topic Discussion -> One cylinder is pig rich - GM Reflash PCM (LS1)

on 3 7 2020

Engine Building Fundamentals -> 4g63 oil jet/squirter help please

on 16 6 2020

EFI Tuning Fundamentals -> Ignition Timing in Low to Mid RPM Range

on 15 6 2020

General Tuning Discussion -> Huge Flat Spot above idle

on 15 6 2020

Build Threads -> Crash Test Dummy Monster Truck Build

on 14 6 2020

Practical Engine Building -> Balancing

on 14 6 2020

General Tuning Discussion -> How to make a dyno run for Jeep wrangler

on 13 6 2020

EFI Tuning Fundamentals -> Load calculations

on 12 6 2020

Ethanol & Flex Fuel Tuning -> Ethanol water content

on 11 6 2020

General Engine Building Discussion -> 2JZ CP PISTON 86.5MM RING NOT FILE AT ALL

on 11 6 2020

General Tuning Discussion -> Anyone knows how to mix E85 by myself?

on 11 6 2020

How to Degree a Cam -> No cam specs, what to do?

on 10 6 2020

How to Degree a Cam -> Valve clearance

on 10 6 2020

Webinar Questions -> 173 | Engine Breathers

on 10 6 2020

Off Topic Discussion -> Engine Load

on 9 6 2020

Practical Standalone Tuning -> map dancer

on 9 6 2020

Off Topic Discussion -> Twin fuel rails

on 9 6 2020

Off Topic Discussion -> 350z Running really rough, down on power, struggles to rev out while driving

on 9 6 2020

General Tuning Discussion -> Compression increase and A/F Ratio Relationship

on 9 6 2020

Build Threads -> sr20det power limit

on 9 6 2020

Understanding AFR -> 1.2 bar of boost

on 9 6 2020

Engine Building Fundamentals -> One time use OE bolts and torquing down for bearing clearance measuremnts

on 9 6 2020

General Tuning Discussion -> sr20det tuning tips

on 8 6 2020

General Tuning Discussion -> Intake air temperature influencing knock threshold

on 5 6 2020

General Tuning Discussion -> Turbo Speed

on 4 6 2020

General Tuning Discussion -> car behaves weird after after spirited driving

on 4 6 2020

General Engine Building Discussion -> Audi 5 cylinder - Crank balancing factor

on 2 6 2020

General Tuning Discussion -> what is engine limits ?!

on 2 6 2020

EFI Tuning Fundamentals -> Fuel pump causing a rough idle? Superlite SLC Kit car with BMW V10

on 31 5 2020

General Engine Building Discussion -> EJ20 forward facing Intake

on 30 5 2020

General Tuning Discussion -> BMW E92 M3 bearing clearances

on 30 5 2020

General Engine Building Discussion -> Low Oil Pressure on Cold Start

on 30 5 2020

EFI Tuning Fundamentals -> Afr target

on 29 5 2020

Build Threads -> 2JZ Powered Land Speed Record Build

on 29 5 2020

Practical Engine Building -> 5.8 351w Roller Cam

on 29 5 2020

Build Threads -> F56 Mini Cooper S - 400-500HP??

on 29 5 2020

Understanding AFR -> Subwoofer/car audio influence on tuning

on 27 5 2020

EFI Wiring Fundamentals -> Fuse on main power cable to PDM?

on 28 5 2020

EFI Wiring Fundamentals -> power loss to 10volts

on 28 5 2020

EFI Tuning Fundamentals -> Pressure Volume Cycle

on 27 5 2020

General Tuning Discussion -> Closed Loop - Isn't it just chasing the AFR?

on 27 5 2020

Introduction to Engine Tuning -> AFR tuning evo

on 27 5 2020

General Tuning Discussion -> Exhaust back pressure in tuning

on 27 5 2020

General Engine Building Discussion -> RB26/30 build stock bottom end

on 25 5 2020

Understanding AFR -> EGT in endurance engine

on 24 5 2020

General Tuning Discussion -> Advice on head sealing on a 800hp car

on 21 5 2020

Build Threads -> MAIN BEARING EVO 8 , 7 BOLT

on 21 5 2020

Practical Engine Building -> 4g63 Piston Oil Squirters

on 21 5 2020

Practical Standalone Tuning -> Fuel Pressure Diviation Limits

on 20 5 2020

Ethanol & Flex Fuel Tuning -> Flex Fuel Blending, COBB.

on 19 5 2020

General Tuning Discussion -> Huge smoke

on 16 5 2020

Build Threads -> Porsche 986 2.7 turbo charge

on 16 5 2020

General Tuning Discussion -> Flat Foot shift H pattern M1 conf

on 16 5 2020

General Tuning Discussion -> Turbine housing AR effect on tune

on 15 5 2020

General Tuning Discussion -> High EGT on 1 Cylinder

on 14 5 2020

Off Topic Discussion -> Evo X SST Transmission

on 13 5 2020

Practical Engine Building -> Engine building

on 13 5 2020

General Tuning Discussion -> Seasonal Temp Variance

on 13 5 2020

Practical Engine Building -> Rod bearing locating tangs

on 13 5 2020

Engine Building Fundamentals -> ring gap

on 13 5 2020

General Engine Building Discussion -> N/A Barra turbo conversion

on 13 5 2020

Practical Engine Building -> Inline 6 crankshaft balancing

on 12 5 2020

Practical Engine Building -> 2JZ - Girdle for main cap support (1000 hp build)

on 12 5 2020

General Engine Building Discussion -> Sr20 hydraulic lifter

on 11 5 2020

General Tuning Discussion -> Dual fuel pump expectations.

on 10 5 2020

Practical Engine Building -> MLS head gasket vs Single layer head gasket - 2JZ-GE Turbo conversion

on 10 5 2020

EFI Tuning Fundamentals -> Volumetric efficiency

on 10 5 2020

General Engine Building Discussion -> EVO 2 4G63 ARP HEAD STUDS BACKED OUT

on 9 5 2020

Diesel Tuning Fundamentals -> Ouch, Mr Banks lets rip...

on 8 5 2020

General Tuning Discussion -> Afr's

on 8 5 2020

Practical Engine Building -> Main Bearing Clearances Too loose after Crank Machining

on 7 5 2020

Practical Engine Building -> 2.3L 4G63T

on 7 5 2020

Practical Engine Building -> Seal girdleplate

on 7 5 2020

General Engine Building Discussion -> (Very) High comp N/A engine - camshaft selection?

on 7 5 2020

General Engine Building Discussion -> 4G63 Aluminium oversize water pump pulley

on 7 5 2020

General Tuning Discussion -> What would be a good and reliable scan tool.

on 7 5 2020

General Engine Building Discussion -> Ford Focus/ Volvo 2.5 5cyl turbo crank endplay issue..

on 5 5 2020

Launch Control -> launch control

on 10 4 2020

Launch Control -> I have a great question.

on 5 5 2020

Practical Engine Building -> custom head studs

on 5 5 2020

Understanding AFR -> Effect of AFR on power video

on 5 5 2020

Engine Building Fundamentals -> Access to measurements Provided by manufactures

on 4 5 2020

Engine Building Fundamentals -> Manufacture measurements

on 4 5 2020

General Engine Building Discussion -> Injectors For K20 Stroker Build

on 4 5 2020

Practical Engine Building -> How do you determine cam lobe separation angle for auto or manual cars?

on 3 5 2020

Engine Building Fundamentals -> Non resusable bolt

on 3 5 2020

Boost Control -> Procharger Boost Control

on 3 5 2020

General Engine Building Discussion -> 3rzfe tapping noise

on 3 5 2020

Practical Engine Building -> Piston ring gaps too big before filing

on 1 5 2020

Practical Standalone Tuning -> EMP what is the ideal pressure

on 1 5 2020

General Tuning Discussion -> Recommendations on dropping fuel pressure RB26

on 30 4 2020

EFI Tuning Fundamentals -> Noisy Cams

on 30 4 2020

Practical Engine Building -> Excess Engine Sealant

on 30 4 2020

Practical Standalone Tuning -> Dialling in Centrifugal Blower BOV @ Idle

on 30 4 2020

Practical Engine Building -> Oil clearance

on 29 4 2020

EFI Tuning Fundamentals -> Air Temp Compensation

on 29 4 2020

EFI Tuning Fundamentals -> Remaining cylinder pressure at BDC

on 28 4 2020

General Tuning Discussion -> ej257 6766 lag issues and 38mm wastegate

on 27 4 2020

Engine Building Fundamentals -> Boring/Honing & Torque Plate Honing

on 26 4 2020

Practical Engine Building -> Constant caching on videos!

on 25 4 2020

General Tuning Discussion -> 1.5jz high load misfire

on 25 4 2020

General Tuning Discussion -> Ignition timing with large cam

on 25 4 2020

Practical Engine Building -> Correcting Bearing Clearances

on 24 4 2020

Practical Engine Building -> Ring Gaps

on 24 4 2020

General Tuning Discussion -> No power on stoich

on 24 4 2020

General Engine Building Discussion -> 1995 Honda Prelude Build

on 23 4 2020

EFI Tuning Fundamentals -> question

on 23 4 2020

Engine Building Fundamentals -> Dry sump tank drain back to engine

on 23 4 2020

Practical Engine Building -> 4g63 evo 8

on 23 4 2020

Engine Building Fundamentals -> Engine lube

on 22 4 2020

General Engine Building Discussion -> Time Attack 2JZ-GTE VVT-i build questions

on 21 4 2020

Webinar Questions -> Webinar -69

on 21 4 2020

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

on 20 4 2020

EFI Tuning Fundamentals -> metrics please!!!

on 20 4 2020

Engine Building Fundamentals -> Upgraded cam run in

on 19 4 2020

Member Introductions -> Remember the Alamo!

on 19 4 2020

General Engine Building Discussion -> 4G63 CR / JE Ultra Series Pistons

on 18 4 2020

Engine Building Fundamentals -> Crankshaft Grinding

on 18 4 2020

EFI Tuning Fundamentals -> Air density affected by humidity ?

on 17 4 2020

EFI Tuning Fundamentals -> air density

on 17 4 2020

Understanding AFR -> lambda and air sales

on 17 4 2020

Understanding AFR -> AFR Strategy change and results (Subaru)

on 16 4 2020

Off Topic Discussion -> Rheostat getting very hot

on 16 4 2020

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

on 15 4 2020

Practical Engine Building -> Connecting rods orientations

on 15 4 2020

General Tuning Discussion -> Fuel pressure not rising with boost

on 15 4 2020

General Tuning Discussion -> Camaro ZL1 2014 Smaller SC Pulley + Bigger Crankshaft Pulley

on 14 4 2020

EFI Tuning Fundamentals -> Help with Inverse operation in wave forms

on 13 4 2020

Practical Engine Building -> Dry sump question

on 12 4 2020

Understanding AFR -> Target AFR for different fuel blends using a gasoline calibrated WBO2 sensor

on 12 4 2020

General Engine Building Discussion -> Td42 zero compression in one cylinder

on 12 4 2020

EFI Tuning Fundamentals -> engine cycle?

on 12 4 2020

Engine Building Fundamentals -> oil weight and pressure

on 12 4 2020

Build Threads -> Dbw itb isolation project

on 11 4 2020

EFI Tuning Fundamentals -> Volumetric Efficiency

on 10 4 2020

EFI Tuning Fundamentals -> Borewash on full throttle

on 10 4 2020

Build Threads -> RB Powered Lexus

on 10 4 2020

General Tuning Discussion -> Anti lag with hydraulic lifters

on 9 4 2020

Webinar Questions -> Management

on 9 4 2020

General Tuning Discussion -> Rotary Semi PP injection

on 9 4 2020

General Tuning Discussion -> Your opinion in high pitch sound and high rev engines.

on 9 4 2020

General Tuning Discussion -> High idle p0507 after boring throttle body

on 8 4 2020

How to Degree a Cam -> Cam timing?

on 8 4 2020

General Engine Building Discussion -> Building high Compression little engine

on 7 4 2020

EFI Tuning Fundamentals -> correcting your AFR

on 7 4 2020

General Tuning Discussion -> Barometric Corrections

on 6 4 2020

Webinar Questions -> 229 - Engine run in - metal fatigue

on 5 4 2020

Understanding AFR -> Reading AFR Gauges For Pump Gas VS E85

on 5 4 2020

Practical Engine Building -> bearings

on 5 4 2020

Practical Engine Building -> which stage dry sump pump should i use ?

on 3 4 2020

Understanding AFR -> Methanol

on 2 4 2020

Practical Engine Building -> no oil squirter but Forced Feed Oiling on Connecting Rod

on 2 4 2020

Introduction to Engine Tuning -> Back pressure

on 2 4 2020

General Engine Building Discussion -> Questions about gsxr 1000 k9 motor

on 2 4 2020

Boost Control -> More boost duty causing boost to lower after 35psi

on 1 4 2020

General Tuning Discussion -> Controlling electric exhaust cut out

on 1 4 2020

Off Topic Discussion -> e85 causing corrosion, stand alone e85 rated fuel system - not up to the task ???

on 28 3 2020

EFI Tuning Fundamentals -> How do I apply this calculation to my own engine?

on 27 3 2020

EFI Tuning Fundamentals -> My AFR gauge showing 17.6 at idle

on 27 3 2020

General Tuning Discussion -> Understanding base fuel pressure and aftermarket pumps.

on 27 3 2020

General Tuning Discussion -> Engine burning oil

on 27 3 2020

Off Topic Discussion -> Choosing the correct exhaust housing for a turbo

on 26 3 2020

Off Topic Discussion -> Best Dynamometer?

on 25 3 2020

General Tuning Discussion -> GT86 big injector, rich idle

on 23 3 2020

Engine Building Fundamentals -> Crankshaft Big end and Main surface roundness tolloerance

on 22 3 2020

General Tuning Discussion -> Target AFR (turbo)

on 22 3 2020

Off Topic Discussion -> Motorsport Fab School (ETS Fab)

on 22 3 2020

Off Topic Discussion -> EJ20 Engine build

on 22 3 2020

EFI Tuning Fundamentals -> Camshaft Design

on 21 3 2020

General Engine Building Discussion -> Do i need the little end top oiling hole if the rod is rifle drilled

on 21 3 2020

General Engine Building Discussion -> Blow-by on a fresh motor

on 19 3 2020

EFI Tuning Fundamentals -> Supercharging and VE

on 19 3 2020

How to Degree a Cam -> Measuring Piston to Valve Clearance

on 18 3 2020

Engine Building Fundamentals -> Bolt Clamping Force

on 18 3 2020

Understanding AFR -> Possible wide band issue

on 18 3 2020

How to Degree a Cam -> Need help by selecting of original camshafts

on 17 3 2020

General Tuning Discussion -> Bmw n55 tune help

on 17 3 2020

General Tuning Discussion -> Misfire vs Ignition Cut

on 16 3 2020

Diesel Tuning Fundamentals -> Motec M150 Injector Linearisation

on 16 3 2020

General Tuning Discussion -> Whats happening when you forget to check base timing

on 15 3 2020

Off Topic Discussion -> Blown piston no 6 on 2JZGTE

on 15 3 2020

Understanding AFR -> Fixed fuel pressure in evo 9

on 10 3 2020

General Tuning Discussion -> Coolant pressure under high boost

on 13 3 2020

General Engine Building Discussion -> 1jzgte main bearing cap hp limit

on 13 3 2020

How to Degree a Cam -> Cam Sheet does not match Can Specs

on 13 3 2020

General Tuning Discussion -> Voltage Oscillation at WOT

on 13 3 2020

General Tuning Discussion -> Will cam overlap affect AFR down low

on 12 3 2020

EFI Tuning Fundamentals -> Mass Flow vs Air Flow - Confusion after watching the video tutorial

on 12 3 2020

General Tuning Discussion -> Erratic Wideband Readings

on 12 3 2020

General Tuning Discussion -> fuel pressure dropping, can't hit boost target and rpm barely rises

on 12 3 2020

General Tuning Discussion -> Supercharger on diesel

on 12 3 2020

Off Topic Discussion -> Water vs Coolant on race engines

on 10 3 2020

General Tuning Discussion -> Fuel Table numbers

on 11 3 2020

EFI Tuning Fundamentals -> Theory on low comp pistons for turbo application - is my theory right?

on 10 3 2020

Understanding AFR -> AFR vs LAMBDA

on 10 3 2020

Practical Engine Building -> Advice on oil clearances

on 9 3 2020

How to Degree a Cam -> True top dead and valve to piston clearance

on 9 3 2020

Practical Engine Building -> Shot peening

on 7 3 2020

Launch Control -> Subaru bogging after launch

on 7 3 2020

General Tuning Discussion -> Electrical problems - voltage drop

on 7 3 2020

General Engine Building Discussion -> Rifle drilling needed?

on 6 3 2020

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

on 6 3 2020

How to Degree a Cam -> True TDC location

on 5 3 2020

Off Topic Discussion -> Problems during dyno testing

on 4 3 2020

General Tuning Discussion -> Tuning minimum throttle for best torque.

on 2 3 2020

Practical Engine Building -> 3sfe beams engine piston/bore clearance

on 4 3 2020

Webinar Questions -> Webinar - Air intake restrictions explained

on 3 3 2020

General Tuning Discussion -> Equal flow/dual plenum/Lehmann-style intake manifolds

on 3 3 2020

Off Topic Discussion -> After market oil pump pulley

on 3 3 2020

General Tuning Discussion -> Drag data acquisition

on 3 3 2020

General Tuning Discussion -> Link Knockblock Knock Sensor Placement 4G63

on 1 3 2020

Road Tuning -> Driveability issues

on 29 2 2020

Practical Engine Building -> Divide by two?

on 28 2 2020

General Tuning Discussion -> Staggered intake plenum for turbo VR6 (24v)

on 28 2 2020

Understanding AFR -> Afr

on 28 2 2020

General Tuning Discussion -> Knock at very conservative ignition timing

on 27 2 2020

Off Topic Discussion -> Twin scroll Brain teaser

on 24 2 2020

Build Threads -> 1972 Hilman Avenger Toyota Mark 2 Drivetrain Swap

on 24 2 2020

Engine Building Fundamentals -> Measuring Piston To Valve Clearance

on 24 2 2020

Practical Engine Building -> Head gasket size vs bore

on 22 2 2020

Practical Engine Building -> Main cap clearance

on 22 2 2020

General Tuning Discussion -> Diesel Truck Economy Tune

on 21 2 2020

Webinar Questions -> Webinar 235 | Choosing an intercooler

on 21 2 2020

Ethanol & Flex Fuel Tuning -> E85 starting problem

on 19 2 2020

Practical Engine Building -> sr20det build

on 17 2 2020

Diesel Tuning Fundamentals -> Twincharge, which way round & supercharger bypass or not?

on 15 2 2020

Build Threads -> 96 Impala - 468 Gen VI BBC Swap

on 14 2 2020

Off Topic Discussion -> Books

on 14 2 2020

Off Topic Discussion -> Selecting injectors

on 14 2 2020

Ethanol & Flex Fuel Tuning -> Ethanol Blends vs Race Gasoline

on 13 2 2020

General Tuning Discussion -> Experience with combustion pressure measurement and logging?

on 12 2 2020

General Engine Building Discussion -> 4G63 Crank Walk

on 12 2 2020

Engine Building Fundamentals -> With Dry sump can i use hydraulic tappet?should i delete pcv

on 12 2 2020

General Tuning Discussion -> Oil cooler positioning

on 10 2 2020

Practical Engine Building -> Lube on the backside on the thrustwasher

on 10 2 2020

Off Topic Discussion -> Differential choices?

on 10 2 2020

Off Topic Discussion -> Dry sump vacuum

on 9 2 2020

Practical Engine Building -> Balancing conrods-pistons / Tapping threads

on 9 2 2020

General Tuning Discussion -> DeTuning an engine for efficiency

on 8 2 2020

Practical Engine Building -> Did I miss something?

on 7 2 2020

Off Topic Discussion -> Nissan S chassis with heavy engine

on 4 2 2020

EFI Wiring Fundamentals -> Battery Relocation

on 3 2 2020

General Tuning Discussion -> Misfire , deceleration engine stalling

on 3 2 2020

Practical Engine Building -> Engine Break in while in vehicle.

on 2 2 2020

Webinar Questions -> Engine RunIn - Ethanol / Alchohol based fuels

on 2 2 2020

EFI Wiring Fundamentals -> Wire sizes for start system

on 31 1 2020

General Engine Building Discussion -> 3sge beams engine build

on 30 1 2020

General Tuning Discussion -> Fuel Economy and exhaust pops tuning

on 28 1 2020

Off Topic Discussion -> Power steering surge

on 26 1 2020

How to Degree a Cam -> Dialing in cams with no spec sheet

on 25 1 2020

EFI Tuning Fundamentals -> AFR and combustion chamber

on 14 10 2018

General Tuning Discussion -> Ignition retard

on 14 10 2018

General Engine Building Discussion -> Line hone Subaru EJ motors.

on 14 10 2018

General Tuning Discussion -> Crossplane Crank Tuning

on 12 10 2018

Road Tuning -> High load, bad stumble

on 10 10 2018

Engine Building Fundamentals -> Alignment

on 10 9 2018

Engine Building Fundamentals -> Aluminum Head softness testing

on 11 10 2018

Practical Motorsport Wiring - Club Level -> Fuses vs Circuit Breakers?

on 11 10 2018

Build Threads -> The Yeti Sled. (Subaru Forester)

on 11 10 2018

General Tuning Discussion -> Brake pressure sensors.

on 10 10 2018

Practical Standalone Tuning -> Drop in VE between 3000 and 4000 RPM

on 10 10 2018

General Tuning Discussion -> Dual Fuel Pumps and Dropping Fuel Pressure

on 9 10 2018

EFI Wiring Fundamentals -> Fuel pressure problem

on 9 10 2018

Off Topic Discussion -> Automatic & Manual Transmission how to Build Courses

on 8 10 2018

How to Degree a Cam -> Cam Card Overlap

on 7 10 2018

Off Topic Discussion -> wrap around text format on your forums

on 7 10 2018

EFI Wiring Fundamentals -> Wiring and accessories suppliers list.

on 7 10 2018

How to Degree a Cam -> Cam card valve opening

on 7 10 2018

Build Threads -> All Carbon, Impreza WRC Replica

on 6 10 2018

Practical Standalone Tuning -> Using the Dyno to tune Steady State Fuel

on 6 10 2018

EFI Tuning Fundamentals -> ECU software

on 6 10 2018

Practical Engine Building -> First Mistake; gaps too big!

on 4 10 2018

EFI Wiring Fundamentals -> Use a universal harness kit or construct a loom from scratch?

on 4 10 2018

General Engine Building Discussion -> Balancing Manley Connecting Rods

on 4 10 2018

Practical Standalone Tuning -> Torque /knock relationship !!

on 4 10 2018

Off Topic Discussion -> Compression with boost

on 2 10 2018

Practical Motorsport Wiring - Club Level -> Binky does wiring...

on 2 10 2018

General Tuning Discussion -> Safe Mode - Enigne protection

on 1 10 2018

Member Introductions -> New member from greece

on 1 10 2018

General Tuning Discussion -> Honda ecu unfamiliar please need your help.

on 29 9 2018

EFI Wiring Fundamentals -> Wiring Miscellaneous Vehicle Accessories

on 29 9 2018

Build Threads -> Audi 2.5 5 cyl, help me to choose the ECU

on 28 9 2018

General Tuning Discussion -> 100% reproduceable stumble @ given RPM / load

on 28 9 2018

General Tuning Discussion -> Dynapack 2000 incorrect torque figure

on 27 9 2018

EFI Tuning Fundamentals -> Tuning Ignition Timing at Higher Boost Levels

on 27 9 2018

General Engine Building Discussion -> Escort Cosworth EEC-IV 2.0 Turbo ENGINE FAIL (finding reason)

on 27 9 2018

Introduction to Engine Tuning -> ECU for my Honda engine.

on 27 9 2018

General Engine Building Discussion -> Evo 8 2L Build Piston Ring End Gaps & PTW

on 27 9 2018

Build Threads -> SBC 427 Twinturbo E85

on 26 9 2018

General Engine Building Discussion -> Vr4 4g63 valve to piston clearances

on 26 9 2018

Practical Motorsport Wiring - Club Level -> EFI System Components

on 26 9 2018

General Tuning Discussion -> V8 - O2Bung in single tube vs collector

on 26 9 2018

Build Threads -> Clio RS Racecar Build

on 26 9 2018

General Tuning Discussion -> Controlling AC clutch switch through Hp tuners LS engine

on 26 9 2018

EFI Wiring Fundamentals -> Q&A from webinar 187 - Body Electric Circuits

on 25 9 2018

EFI Wiring Fundamentals -> Fuse block, breaker recommendations

on 24 9 2018

General Tuning Discussion -> broken engine

on 23 9 2018

Build Threads -> Sierra Cosworth IP build

on 22 9 2018

Practical Reflash Tuning -> Effect of inlet manifold choice on ignition advance

on 22 9 2018

Off Topic Discussion -> Drag trans brake and bump box

on 22 9 2018

EFI Tuning Fundamentals -> volumetric efficiency

on 22 9 2018

EFI Wiring Fundamentals -> 30AMP wire

on 22 9 2018

Boost Control -> DBW Throttle assisted Boost Control

on 19 9 2018

EFI Wiring Fundamentals -> Alternator Wiring

on 19 9 2018

EFI Wiring Fundamentals -> Wire size

on 18 9 2018

Member Introductions -> New to the forum from scotland

on 18 9 2018

General Tuning Discussion -> My first tune car Supra

on 17 9 2018

General Engine Building Discussion -> 2000s suzuki vitara v6 top end rebuild?

on 17 9 2018

EFI Wiring Fundamentals -> Sierra Cosworth wiring - build

on 17 9 2018

Off Topic Discussion -> SEMA and PRI 2018

on 16 9 2018

EFI Tuning Fundamentals -> air flow measurement on an older vehicle

on 16 9 2018

General Tuning Discussion -> Diesel Tuning

on 15 9 2018

Launch Control -> Launch Control on Gravel

on 13 9 2018

Off Topic Discussion -> Horsepower Dyno Readings, USA compared to AUS, et. al.

on 13 9 2018

EFI Wiring Fundamentals -> Why is it wrong to have multiple ground straps between the chassis and engine?

on 11 9 2018

General Tuning Discussion -> Monitoring engine vitals (basic to advance)

on 10 9 2018

General Engine Building Discussion -> Rod bearing clearance changing after fitment to crank.

on 10 9 2018

General Tuning Discussion -> Supra Dyno Precision 6062 Gen2 need feeback

on 9 9 2018

EFI Wiring Fundamentals -> Potting ECU Patch Harness

on 8 9 2018

Off Topic Discussion -> why did the engine seize

on 7 9 2018

EFI Wiring Fundamentals -> Race spec wire preference

on 7 9 2018

Engine Building Fundamentals -> O-ring receiving groove? and Cosworth headgasket question.

on 6 9 2018

Off Topic Discussion -> Burnig up map sensors

on 5 9 2018

General Tuning Discussion -> Auto-Tuning on Engine with no MAF, ITBs and Narrow Band O2

on 5 9 2018

General Engine Building Discussion -> Inch Pound Torque Wrench Recommendations?

on 5 9 2018

EFI Wiring Fundamentals -> Fuel Level Sensor To Analog Input

on 5 9 2018

Engine Building Fundamentals -> Connecting Rod Balancing Fixture - which one to buy?

on 4 9 2018

General Engine Building Discussion -> 1jz oil pump mods

on 4 9 2018

Understanding AFR -> afr change in relation to compression change.

on 3 9 2018

EFI Wiring Fundamentals -> What all needs a relay?

on 2 9 2018

General Tuning Discussion -> ECU Voltage lower than Battery

on 1 9 2018

General Tuning Discussion -> Pressure transducer recommendation for exhaust backpressure

on 1 9 2018

Off Topic Discussion -> Laptop for tuning

on 31 8 2018

General Tuning Discussion -> Evo 8

on 31 8 2018

Off Topic Discussion -> Blow by engine problem.

on 31 8 2018

General Engine Building Discussion -> Mitsunishi evo 4g63 stock engine max power

on 31 8 2018

EFI Wiring Fundamentals -> Mil-Spec type wiring as for car audio speakers.

on 30 8 2018

Off Topic Discussion -> Looking for advice from the pro engine builders

on 29 8 2018

General Engine Building Discussion -> Excess blue smoke on Deceleration

on 27 8 2018

How to Degree a Cam -> Dialing in Adjustable Sprockets

on 27 8 2018

Launch Control -> Ground speed based launch control and DBW control

on 26 8 2018

General Tuning Discussion -> Minimum fuel pump requirements

on 26 8 2018

Webinar Questions -> Setting Base Ignition Timing

on 25 8 2018

General Tuning Discussion -> 600hp shot of nos

on 25 8 2018

General Tuning Discussion -> Air vs Power

on 25 8 2018

Introduction to Engine Tuning -> HP or WHP??

on 25 8 2018

General Tuning Discussion -> diff ratios and tune

on 25 8 2018

Understanding AFR -> Boost Control when the exhaust temperatures is too high

on 25 8 2018

Engine Building Fundamentals -> Thrust Washer Question

on 24 8 2018

General Tuning Discussion -> DBW and low end Torque vs Throttle Opening

on 24 8 2018

General Engine Building Discussion -> Racing Thermostat 154 Degree

on 24 8 2018

Engine Building Fundamentals -> Cylinder head flow bench / testing

on 24 8 2018

General Engine Building Discussion -> LS high boosted engine!

on 23 8 2018

General Engine Building Discussion -> cylinder head tightening with aftermarket studs

on 22 8 2018

Engine Building Fundamentals -> Bearing clearances

on 22 8 2018

EFI Wiring Fundamentals -> LED test light

on 22 8 2018

Off Topic Discussion -> 4G63 Flywheel Bolts. OEM or ARP?

on 22 8 2018

Webinar Questions -> Question on degreeing cams

on 22 8 2018

Understanding AFR -> Timing for egt’s

on 20 8 2018

Off Topic Discussion -> Subaru Gearbox Rebuilds - Anybody done one?

on 20 8 2018

General Tuning Discussion -> Made a huge mistake and it seems the engine survived without a scratch.

on 20 8 2018

Engine Building Fundamentals -> Metal shavings

on 19 8 2018

EFI Tuning Fundamentals -> Maximum torque @ 16-18 degrees past TDC

on 19 8 2018

General Tuning Discussion -> A better way to Search this forum

on 19 8 2018

General Tuning Discussion -> Melted pistons on new built engine - help diagnose please

on 18 8 2018

Practical Engine Building -> darton or HKS sr20 cylinder sleeves and billet caps?

on 18 8 2018

Off Topic Discussion -> Nitromethane fuel

on 18 8 2018

General Tuning Discussion -> Cold start afr

on 18 8 2018

Off Topic Discussion -> road tune with a load

on 16 8 2018

Webinar Questions -> 169 | Is Your Mass Airflow Sensor Big Enough?

on 16 8 2018

Understanding AFR -> Calculating de 2,5% variation on fuel copensation.

on 16 8 2018

EFI Wiring Fundamentals -> TXL wire or XLPE wire? Full vehicle wire up.

on 16 8 2018

EFI Tuning Fundamentals -> Why do people choose low compression pistons for turbo 4 cylinder builds

on 16 8 2018

General Engine Building Discussion -> Choosing turbo and intercooler size

on 16 8 2018

EFI Wiring Fundamentals -> Wire Current Rating

on 15 8 2018

General Engine Building Discussion -> Connecting Rod Balancing Fixture

on 14 8 2018

Engine Building Fundamentals -> Pistion ring end gaps

on 13 8 2018

Webinar Questions -> Degreeing Camshafts - Same cams, different cam cards

on 13 8 2018

Practical Standalone Tuning -> Spiky Dyno Graph

on 12 8 2018

General Tuning Discussion -> Need some insight please

on 12 8 2018

How to Degree a Cam -> Honda Vtec / solid lifter / check spring / Lash ?

on 11 8 2018

EFI Wiring Fundamentals -> practical training course?

on 9 8 2018

Webinar Questions -> Improve torque with reduced throttle?

on 9 8 2018

General Tuning Discussion -> Upgrading to e-throttle - throttle body size?

on 8 8 2018

General Tuning Discussion -> Advanced RPM limit settings for an SR20det

on 7 8 2018

Understanding AFR -> E85 max power lambda value copare gas pump fuel

on 5 8 2018

General Tuning Discussion -> Cam/Crank Noise/Sensitivity Issue?

on 5 8 2018

General Tuning Discussion -> HP Tuners Optimum Torque and Optimum Spark

on 5 8 2018

General Engine Building Discussion -> B18c Skunk2 pro 2 camshaft

on 4 8 2018

Buy Sell and Swap -> Best Used Dyno?

on 4 8 2018

General Engine Building Discussion -> Broken engine

on 4 8 2018

How to Degree a Cam -> Cant aline the dial gauge with the valve lifter on EW10 engine

on 3 8 2018

How to Degree a Cam -> Cam info

on 3 8 2018

How to Degree a Cam -> Setting cams without a scale

on 3 8 2018

How to Degree a Cam -> dregreeing cams

on 3 8 2018

Understanding AFR -> Fuel economy AFR

on 2 8 2018

Off Topic Discussion -> Privacy settings?

on 1 8 2018

Build Threads -> 351 Cleveland build

on 1 8 2018

General Tuning Discussion -> How to find true base timing ?

on 1 8 2018

Build Threads -> Gear Removal

on 31 7 2018

General Tuning Discussion -> Tuning high revs no load

on 31 7 2018

Engine Building Fundamentals -> Feeler blade quality

on 31 7 2018

Engine Building Fundamentals -> Torque plate for measuring PTW clearance

on 31 7 2018

Practical Engine Building -> Reading Factory Specs

on 30 7 2018

Build Threads -> installing LSD on AWD Car

on 30 7 2018

Practical Engine Building -> further oil mods?

on 29 7 2018

General Engine Building Discussion -> diagnosing a cracked block/head or head gasket issue.

on 27 7 2018

Practical Standalone Tuning -> What is the Fuel % for positive pressure

on 27 7 2018

General Tuning Discussion -> O2 sensor and controller distance

on 27 7 2018

General Tuning Discussion -> E85 Questions

on 26 7 2018

General Engine Building Discussion -> Breaking in a new engine, bores vs camshafts

on 26 7 2018

General Engine Building Discussion -> Valve seat angles on valve vs. seat

on 26 7 2018

General Engine Building Discussion -> Evo 8 4G63 Head Gasket Failure

on 26 7 2018

General Engine Building Discussion -> Opinion on Knife-Edging a Crankshaft

on 26 7 2018

General Tuning Discussion -> Need help with Cylinder Size on 4.8L LS Gen 3

on 22 7 2018

General Engine Building Discussion -> Engine block cracks at the base of cilinders

on 22 7 2018

Off Topic Discussion -> External Fuel Pumps

on 19 7 2018

Off Topic Discussion -> Sealed, vacuumed Dry Sump Systems

on 15 7 2018