HDL Performance

HDL Performance

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Performance Engine Tuning For GM Platforms

21/08/2026
08/08/2026

What a awesome win from one of our long time customers Miah! Taking out 1st place at the Chrome burnout comp, Securing him a qualifying position for both Summernats NZ and Summernats AUS.
Well done Miah. Team Bogan Motorsport showing more and more presence at the pointy end of the burnout scene.
Congrats to the runner ups
Hayden Wilby - NUTOUT
MUNTED
And Paul - FOUR20

⭐️Pro Class Winner - TINASS⭐️

Wow last Night Was Wild at Chrome 2026.
Post event report coming soon.
But for now the biggest thank you to all the people who have been apart of the Journey

Photos from The 6 Banger Series's post 04/07/2026

How’s the mighty AU with the stock car motor!?
The 6 Banger Series coming in with the hype ups!

11/06/2026

Longer video with some explaining.
VY HSV with VCM714 camshaft OTR, and stock exhaust.

09/06/2026

Holy Smokes!! Its time to start planning 2027 already........ If we ran the NZ Burnout Tour again, what towns would you want to us to bring some crazy burnout machines?

Photo Cred: CanDe Photography

Photos from HDL Performance 's post 21/05/2026

Massive congrats to Damian, taking out Pro class in the Spuds trailer hire burnout comp last weekend! What a weapon! Always driving at the top of the game and flying that HDL flag proud. Well done brother. Another one for the shelf! Peter Clarkson Eddie Hart Bonnie Galloway

🤘☺️🤘

16/05/2026

🤘☺️🤘

What looks like an LS1 harness but isn't for an LS1...

Something I've been meaning to get to for a while that might interest a few of the die hard Holden fans... LS1 ECU running Holden efi 5L engines. As a test setup I have cut up this LS1 harness and modified to suit the Holden layout and retained the ability to control the 4L60 E transmission. In the next couple months as I have time will aim to have this up and running in a test mule then get Trevor Performance to work some remote tune magic into the ecu tune setup.

All going to plan Will be adding this to the standalone wiring setup offerings and even looking to offer retro fits to VN-VT commodore as a plug in kit.

10/05/2026

This gorgeous old EH was brought to us to iron out a few issues after being fitted with a Haltech Rebel LS ECU, alongside a Haltech PDM, 2x4 CAN Keypad and UC10 dash setup.

We went through and corrected a number of initial setup and calibration issues left behind from the original install, then got stuck into the tuning side of things. The end result was a massive improvement in drivability, with over 100Nm gained through a large portion of the RPM range, while completely eliminating the violent off-idle surge issue it arrived with.

We also configured the CAN keypad and drive-by-wire system to incorporate fully functional native-style cruise control, exactly how the customer wanted it.

Absolute credit to the owner and builders of this car, the quality of the build is easily a 10/10 on this girl 👌

Photos from HDL Performance 's post 28/04/2026

punishthepad!!! 🤘

Unfortunately we couldn’t make it to this one in person — but HDL was out there in force with 21 of our customers competing… that’s 21 out of 65 entered cars! Massive turnout, and they absolutely delivered.

🔥 6 cars in the Top 10
🔥 HDL customers locked out the entire podium — 1st, 2nd, 3rd!

Couldn’t be prouder of everyone who showed up, drove hard, and represented us banners or not!

Huge congratulations to all our customers who made the event — and an extra massive shoutout to our podium finishers and trophy winners:

🏆 1st Overall — DARREN ROBERTS / LIMITR (11 years strong!)
🥈 2nd Overall — SHAUN JURY / BARELY
🥉 3rd Overall — DAMIAN HART / NUTTER

Category winners:
🏆 1st Female — SARAH HUMPHREY / ERROR
🏆 2nd Female — TONI WEBBER / MZBARA
🏆 3rd 6-Cyl N/A — DOUG GRIFFITHS / WEOUT
🏆 1st 6-Cyl Boost — SHAUN JURY / BARELY
🏆 1st 8-Cyl N/A — MIAH TARAWHITI / TINASS
🏆 3rd 8-Cyl N/A — BEAUDENE HURNDELL / WEONIT
👑 Tip-In King — TJ DORMAN (Feejoa) / SKRAPA

To everyone flying the HDL flag — thank you. The results speak for themselves.
Absolutely unreal effort from you all. Bring on the next one! 🤘🔥

26/04/2026

A couple of weeks ago, Shaun’s Barra-powered EA was dropped off to us to sort out a few issues. We quickly uncovered some wastegate and boost control problems, then reworked the original tune — all while dealing with an ECU platform we’d never previously tuned (thanks to Gav at HPR for giving us a crash course in how this system works!)

After a few burnout comps, we pulled the logs and dug deeper, uncovering heat-related tables activating on the pad that simply couldn’t be replicated on the dyno.

With just 3 days before Punish The Pad, we remotely jumped back in, reviewed the data, and made the final tune adjustments.

The result? The car was absolutely on point — helping Shaun secure 1st place in the Forced 6 Cylinder class and 2nd Overall!

Massive effort, mate — well deserved.

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