10 Sep 2024 / By Taz Quinn-Walshe

This Can't Be Ignored | Scrub Radius

This Can't Be Ignored | Scrub Radius

10

Scrub radius, aka kingpin offset, can be tricky to understand, but it's well worth it to ensure you make the right wheel and tyre courses and avoid some fundamental mistakes that can turn a stable and predictable handling car into something twitchy and uncontrollable.

Read more
09 Sep 2024 / By Peter Kelly

Everything You Need to Know About the Honda K20.

Everything You Need to Know About the Honda K20.

9

In the engine swap world championships (if such a thing existed), there are arguably two motors that share the top step of the podium — General Motors’ LS, and Honda’s K-series.

Read more
04 Sep 2024 / By Taz Quinn-Walshe

More Power = More Fuel, But How?

More Power = More Fuel, But How?

4

For most builds, gone are the days of zip-tying an old Bosch 044 fuel pump into place with a healthy dose of sealant, partly because these days there are simply more options but also because builds have gone from 400hp up to 1000-1500hp+ for many performance street applications, and the...

Read more
04 Sep 2024 / By Taz Quinn-Walshe

WTAC 2024 Results

WTAC 2024 Results

4

The 2024 World Time Attack Challenge (WTAC) is done and dusted! It was another great event, with the roll racing being the standout beyond the time attack racing itself.

Read more
30 Aug 2024 / By Peter Kelly

122: The Skyline GT-R is Fundamentally Flawed. [PODCAST]

122: The Skyline GT-R is Fundamentally Flawed. [PODCAST]

30

Driving talent only gets you so far in professional motorsport — if you want to make it, you’ll need the full package… Plus a healthy dose of luck.

Read more
1 Comments
20 Aug 2024 / By Markku Braid

Chris Baker’s LS3 Powered Porsche 914 [FEATURED BUILD]

Chris Baker’s LS3 Powered Porsche 914 [FEATURED BUILD]

20

"I’d never wired anything and knew nothing about electronics. HPA courses gave me the confidence to go after wiring the entire car.

Read more
16 Aug 2024 / By Taz Quinn-Walshe

1000hp+? | EV motor technology is getting WILD!

1000hp+? | EV motor technology is getting WILD!

16

Electric motors have come a long way in a very short amount of time! Right now it's generally the battery that's a limiting factor with a range of 1000hp+ equivalent offering making it to the production line, much to the embarrassment of some modern internal combustion engine powered (ICE) options.

Read more
1 Comments
16 Aug 2024 / By Peter Kelly

121: Compound Turbocharging — Untapped Potential or a Waste of Time? [PODCAST]

121: Compound Turbocharging — Untapped Potential or a Waste of Time? [PODCAST]

16

Legendary tuner Shane Tecklenburg returns to talk about turning LMP3 race cars into hill climb monsters, calibrating V12 air race planes, the realities of compound turbo setups, and much more. Listen on SpotifyListen on Apple Podcast 

Use “SHANET100” to get $100 off HPA’s Tuning Starter Package: https://hpcdmy.

Read more