SJC Tuning and Performance

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SJC Tuning and Performance Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from SJC Tuning and Performance, Automotive Customization Shop, Hampton Downs Motorsport Park, Te Kauwhata.

30/10/2026

Have just handed the key back to the owner of this 79 series land cruiser.

- Full drive in drive out swap. Out with the manual and in with the ZF8hp.
- Built box by us to hold the torque.
- Using the Maxx ecu we have managed to keep this about as simple as possible. It selects drive modes depending on load, amount of time above certain drive conditions, manual or auto.
Retains the full 2wd High 4wd high and 4wd low.

This swap fully changes the truck from a pretty average manual box to a late model auto.

In future we look to add some torque reductions and throttle blips but for now watch the videos and see the shifts.

Track Industries supplied the kit
Geoff for helping with my Maxx questions.
A Mck for making some new software for the gauge that I needed.

Another massive job completed… Liam Williamson Barra Altezza- New custom built exhaust manifold- New down pipe and gate-...
28/10/2026

Another massive job completed…
Liam Williamson Barra Altezza

- New custom built exhaust manifold
- New down pipe and gate
- New intake manifold
- new custom radiator, intercooler and oil cooler
- add flex fuel, egts and more sensors
- new surge tank and pumps
- built 8hp70
- squeeze it all in the front of an altezza with a barra

Really happy with how this one turned out all work done by us. It was a tight fit but it all managed to fit behind the front bumper.

ToomeyNC intake manifold is absolute magic.
Link Engine Management controlling all the engine and torque management functions, engine protection, flex fuel ect
Turbo Lamik controlling the ZF8hp

Only e85 we made 1120hp before running out of injector and turbo.
Set up launch control
Roll racing maps
Full link/lamik integration.

Wicked car 💪💪💪

04/10/2026

Another 8hp70 we tuned a while back for Mad Barras, here is a great example of some real life footage.
Over 800hp doing a burning just changing gears with ease.
Upshifts are crazy fast, even the downshifts are quick, best part is every shift is reliable.
After the burnout switch it into another mode and have driving like an oem BMW. 💪💪

09/09/2026

Remote tune for on very cool FC RX7. K24 turbo doing the business.
Happy with how this shifts, few track days and a couple more tweaks and it will be 👌

07/09/2026

Remote tune for TurboLamik.
K24 turbo running Hondata, shift cuts were not playing the game but we managed to get it shifting crispy without them 💪💪

06/09/2026

Remote Turbo Lamik tune for Rico ✨

Dialled in torque, torque reductions, blips,
Shift points, drag modes and a few spicy features.
We are 95% there.

Listen to how crisp this B58 on 45psi shifts through the gears 💪💪

What a wild week last week. Glad to be able to help me55utr and his GTR get through his dyno session by jumping on and s...
18/08/2026

What a wild week last week.

Glad to be able to help me55utr and his GTR get through his dyno session by jumping on and sorting the Turbo Lamik out, making a crazy 1785hp and the trans held solid. Excited to get this dialled in, billet motor street driving to an animal down the strip one to watch out for.

Next was MMP in his X3M bmw, after having a few issues he reached out and we sorted his turbo lamik tune at the track, 1700nm no shift cuts and the box held well deka clutches doing the job, leading to a PB of 2.5seconds from 100-200kmph and setting the world record on day 2 for the X3M down the strip at 8.4. This definitely has more in it. Watch the incar this car is crazy fast.

11/08/2026

Another 8hp we tuned absolutely ripping 👍👍

Shop car is starting to take shape. Not long before it’s sitting on some wheels.Meeting with the cert man went well and ...
02/06/2026

Shop car is starting to take shape.
Not long before it’s sitting on some wheels.

Meeting with the cert man went well and everything is progressing smoothly.

Grant at Paralax is absolutely killing it on the chassis job. His skill set is unreal couldn’t be more impressed.

So excited to be able to cruise the streets in this one day.

Another car out the door,We fitted the motor 1uz with custom sump, built a full stainless exhaust, custom wiring with li...
28/05/2026

Another car out the door,
We fitted the motor 1uz with custom sump, built a full stainless exhaust, custom wiring with link ecu. Engine running 12v with truck still running 24v.
Will sound good when it’s slinging some mud.

Address

Hampton Downs Motorsport Park
Te Kauwhata
3782

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