2JZGarage – Supra 2JZGTE VVTi Project Update

Well it’s been a while since I’ve posted up any info on my own supra. Unfortunately the supra and this website sometimes become lowest on the list of life’s priorities, but that doesn’t mean I’m still working on the supra – A man must have his hobbies!

Current power;

  • Tuned on pump 98 fuel with a result of 445rwkw (597rwhp) @ 23.5 psi
  • Tuned on pump e85 with a result of 482rwkw (646rwhp) @ 23.5 psi

Since the last update these are the major changes;

  • Titan 272 VVTi Camshafts, GSC Valve stems, GSC beehive springs and titanium retainers – hopefully a write up coming soon on installing these
  • New LS2 LQ9 coil setup, which you can see HERE
  • Swapped out the old Garrett T51R SPL BB with a new Garrett GTX 4088R turbo with 1.06 rear. This was primarily to make it more streetable with the current engine setup staying stock for a while
  • Exhaust camshaft timing adjustments and slight vvti intake cam adjustment made by my tuner – this dramatically improved mid-range with the turbo by around 40hp – Exhaust cam tuning was 2 degrees of retard from memory
  • TRD Seibon hood removed and stock hood put back on to try and improve bonnet lift while racing at high speeds – although I still managed to brake another shroud at around 270kph (167mph)
  • Flex fuel sensor installed, although wiring yet to be setup and tuning to be complete
  • Tial BOV and other exhaust fabrication work for new turbo
  • Driveshaft shop single piece drive shaft, B series diff, Solid diff bushings to reduce axle tramp
  • Powersteering cooler setup in RHD duct
  • TRD sway bars and new links
  • New clamps for FMIC, fittings and ducting
  • Probably a few other things here and there that I’ve forgot about

Next in line will be cleaning up a few things I’m not 100% happy with at the moment such as improving intake temps. I will be installing twin thermo fans due to radiator setup and high speed racing causing shrouds to break – this will require some further intake fabrication work. Would like to create a custom airbox, install a fabricated oil catch can, changing to a new boost solenoid to allow for launch control/boost by gear and fix up some wiring.

New GTX4088R turbo got installed, managed to tap out a boost fitting and have a local shop do some fabrication work

The Titan 272 VVTi Camshafts, GSC Valve stems, GSC beehive springs and titanium retainers getting installed, I will be putting lots more pictures up and explaining this process in the near future

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New coil setup – see link earlier in post for write-up and more pics

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New sway bar links were purchased along with some TRD sway bars. Didn’t manage to get any pics of the sway bars.

Installed the diff mounts into the B-series diff, got the new driveshaft adapters and driveshaft installed. Check out the old stock mounts after a mate and I removed them!
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Some new clamps and you can just see the PWR steering cooler to the right
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New GTX4088R turbo got installed, managed to tap out a boost fitting and have a local shop do some fabrication work
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Care ended up running some with cams and some tuning 🙂
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e85 is a must, such a cheap upgrade and makes the car feel so much better on boost!
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Some external shots to prove it gets driven
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