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Horner Performance

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13/10/2026

Something cool and interesting was this shortly land cruiser fitted with a L98 and 6L80 trans.
After we helped identify a few small mechanical issues the owner had recified, we conducted a maffless tune and transmission calibration to suit this application. This was tuned on 91octane fuel and the focus was drivability and fuel economy. The power upgrade and sound is just a massive bonus.

07/10/2026

Congratulations to Aiden and his family on last weeks Championship win 🏆💪
Last week Aiden took home the State championships in Modified production. Making him the current 2026 Number 1.

Just over a year ago i finished building a tough 383ci LS combo that became the heart of the sports sedan.

After receiving a very broken LS1 that had previously suffered failure do to oiling issues.
We sat down and discussed a plan, on what was required for this style of racing.
Being limited to a 225 radial tyre racing on dirt, clay, limestone and all sorts of various materials. We had to deliver a combination that would create very strong, usable drive, without just blowing the tyres off and going nowhere.
From there we took charge and built a tourqe monster featuring:
- forged 383 rotating assembly
- CP Bullet pistions
- Cnc Ls1 heads by
- CHE trunion kit
- 90mm cathedral ls2 manifold and 92mm throttle
- powerpond race balancer
- Arp studs throughout
- rollmaster dual chain kit
- mellings high pressure oil pump
- large volume VE style sump
- Custom cam by Crow
- All short machining by Rhemac

We also had the convertor modified to suit and then provided a Haltech Rebel LS, IC7 dash, upgraded fuel rails ans injectors.
We also tuned the fresh combo once they had it all back in the car
With the upgraded ecu this allows us to remotle help, tune ad assist Aiden where ever he is racing, because those of us that race, understand the dyno figures dont make you fast 😅💪

Been a pleasure helping the team from Whyalla, go from broken engine to... SA No1 in his first season back.
Well done guys

26/09/2026

Dialling in this beautiful 67 camaro. With a freshly built SBC, we went through and performed a engine run in procedure and a few heat cylcle on the hub dyno, then, after a oil change, we sorted out the power tuning. Great results for a very well behaved small block chev. With a small exhaust holding it back from irs full potential, im surewe will see it again 💪
The hydraulic roller sb features a correctly sized billet APD carb and a full ICE Ignition kit making tuning a breeze.

22/09/2026

HP TNT V9 - DONE AND DUSTED 🔥👌

Now that the smoke has settled, id like to personally thank everybody that either enters or contributes to the running on the Horner Performance test days.

Thanks to the team, both track, managment and admin for always going above and beyond is assisting me to run a smooth and positive operation.

for the constant support and representation they provide me, in order for these events to happen.

Every competitor, crew and family member for the attendance and assistance throughout the days.

The media guys and girls who capture the good, the bad and the ugly. Without you guys, alot ofnpeople would miss out on the action.

Finally thanks to everybody that joined us for Chris' last pass down the track, it was great to be able to deliver that to his family.

Until next time, HP out 💪

20/09/2026

Not your typical Cammed LSA HSV...... 🙈🤔

After supplying the customer a PD Blower camshaft from we had to get ontop of the tuneup for this crazy sportscat.

Featuring:
- Smaller blower pulley
- Pd blower cam
- 1000cc injector
- Larger w2a cooler

End results, great drivabilty and 3x the amount of power any colorado really needs 🤣💪

17/09/2026

One step closer 👌💪
Jasons Baracuda, has been 1 of the projects we have been slowing chipping away at this year. After being given a list of modification requirements for SA Rego by the engineer, we have been ticking them off one by one. This included lane change and brake testing. In which i had to remember what side of the car i drove from 😅
We have, modified suspension, brakes, steering, exhaust and also dyno tuned this 440ci american muscle.
Looks like its gonna be ready for those beight sunny days 🔥

15/09/2026

Sorry for the delay between posts, we have simply just been focusing on catchng up with the work load.

However this S2 VLCT bought to us from was way too clean not to show 👌

The attention to detail on this 90s icon, was a huge credit to the owner and workshops that have put this car together.

Featuring a elite 750, forged 3lt, build 4speed jatco, heavy duty Borg warner, 5000rpm convertor, G35 1050 turbo on a
Manofold, a belly full of E85 and all the other correct supporting mods supplied and fitted by Coz.

Once i had it all dialed in, we ran it upto 415rwkws then back it down to an even 400kws as instructed to ensure some reliability for the tiny jatco transmission.

This VL drives as new, features full options, including a/c and in my eyes, is the ultimate street cruiser 👌💪

04/09/2026

There it is guys and girls, with the forced cancelation due to heavy rains yesterday and crazy wind forecast today.
has already found me a new date for a reshedule.
2 weeks time, Saturday 19th.
Current entrants have been emailled a few days ago with the changes.
Now clearly the new date wont suit everybody, so if unable to attend a full refund will be issued and the spots will become available for others.
I already have a few ppl on the waiting list, but if you wanted a spot and missed out. Contact me asap and see what happens.

02/09/2026

Unfortunetly ive had to make a call.
With heavy rain and wind forecast for tomorrow, this will play large impact on track prep and also the breaking area drainage.
This is very unfortunate, however we aim to deliever the best track available and with the safety of the racer in mind i can not guanentee an excellent surface.
I thank the staff and management who always strive to help prepare the best.
I am currently looking at dates for a solution.
I will be contacting everybody in reguards to refunds or transfers.
Please watch for emails today and tomorrow.
Cheers
Graeme

23/08/2026

Not long now!
Less than 2 weeks away to get some more testing under out belt, before the season hits.
will be back trying to swing.
1 slick lane
1 radial lane.
Plenty of new teams and faces getting onboard to suit there program out 💪

Address

Northern Suburbs
Gawler, SA
5118

Telephone

+61400241785

Website

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