HDL Performance

HDL Performance Performance Engine Tuning For GM Platforms

Massive congrats to Damian, taking out Pro class in the Spuds trailer hire burnout comp last weekend! What a weapon! Alw...
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 👌

punishthepad!!! 🤘Unfortunately we couldn’t make it to this one in person — but HDL was out there in force with 21 of our...
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.

16/04/2026

Chris brought his manual VY HSV Clubsport in for a OTR and dyno tune. Asked for spark cut and decel flames 🔥 while he was here. 👍👍
Punching a easy 254rwkw peak

09/04/2026

This was a cool jobby!
Tony Whiley dropped off the mighty jacked AYEWW, fitted with Fitzroy Motorsports old stock car motor after the OG dropped a valve at the last round of 6 banger nats. Tasked with “just make it skid” a week before Rapanats Burnout Competition, we got to work on the AU ecu fitted with a J3 chip. Something we haven’t had a lot of experience in. Well… what a learning curve! But we got there in the end, making that rapanats deadline, Tony picked it back up on the way to the event but not before instructed to “test to see if it skids..”
After personally being at the event to watch the outcome, we were not disappointed! What a change that new engine setup made! To see him roll off the pad with a the biggest grin on his face made all the frustration of learning a new system worth it!
Can’t wait to see more of it in action!

What a weekend! Rapanats Burnout Competition 26! With 15 of the 62 cars entered being customers of our ours, being proud...
06/04/2026

What a weekend! Rapanats Burnout Competition 26!

With 15 of the 62 cars entered being customers of our ours, being proud of each and all of them is an understatement!

Congrats to the the 3 cars to make top 10!

Miah TINASS in the yellow gem Bogan motorsport
Damian NUTTER in the HDL slapped 6L VX commodore
Braden smith CUH8ME in the LS EX Lancer

With Miah taking out 1st OPEN
and 26 Rapanats CHAMPION

and Damian 2nd in 8cylinder

What a day!

So good to see you all out there having a solid crack. While some of you guys contending with a few issues, for the most part everybody looked like they had an awesome time.

Thanks to the organisers and the volunteers, without you guys this event wouldn’t be the #1 event to look forward to each year! Thank you all!

BADBMC Tony Johnson
0TYRES 0Tyres - Burnout Car
ONTICK
RECKA Richie Sligo
KMTAXI Krunkk Motorsport
SYCOBF Uriah Opae Pepene
THEPEST Tony Whiley
BAGMUP Jordan Morris
SKRAPA
BARELY Shaun Jury
WQDEVA James Goodin
HIJAKD Trevor Briggs Faybian Rewha
NUTTER Peter Clarkson
CUH8ME Reece Smith Bradensmith

27/02/2026

NUTTER! 🤘🤘 Making HDL proud!! Full sends!

Can’t wait to get this built and bring it to as many comps as we can!
28/01/2026

Can’t wait to get this built and bring it to as many comps as we can!

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