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  1. Ditched the Spoiler…

    Mine is same issue, just on one end is very slightly lifted right at the tip. The gap is no more than the command tape thickness so it is hardly noticeable. Probably to no one other than me.
  2. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Its probably not due to the E since your trims are generally under 40. Here's your recent log (with wheelspin - another would help): I can see that ECU PSI is currently about 1.5-2psi under DME BT, but with a smooth boost curve and good timing. so you can up FF a couple before your car will...
  3. Formula 1 Talk

    McLaren is the real deal. I'm so excited to see them take it to RB, though I've been a Max fan for 8 years ? Norris and Piastri are top tier. As most know, Redbull hardly gets any dev / wind tunnel time compared to others, so its no surprise to see the catch-up.
  4. M2 Comp a league above MKV? EVO.co.uk article says as much

    M2 Comp was the most fun M car of the whole lineup that I tried on track. Just drive them both and find out. They are both excellent drivers cars. The MT Supra was the obvious choice for me because I have a daily and don't need back seats or space. B58 was more appealing to me than S55 for long...
  5. Ditched the Spoiler…

    I think with the EOS one, it sits a little farther back which I really like. There is no break at all between the curve of the hatch and the spoiler. It's like an extension of the bodywork.
  6. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    @mustafazumit's car finished - as a follow up to discussion above BEFORE: https://datazap.me/u/coloneladama/log-1716348355?log=0&data=1-2-3-4-11-14&zoom=22-85 AFTER: https://datazap.me/u/coloneladama/log-1716348097?log=0&data=1-2-3-4-11-14 I have recently learned that the "MT" firmware is a...
  7. Ryan’s ‘23 A91MT Burnout - Slow Build

    Awesome! Looking forward to it!!
  8. JB4 Bluetooth + Full WMI Kit $400 Shipped

    ? dudes, this is like the best JB4-Meth combo deal I've seen, GLWS. $400 to have 500whp+ on a locked ECU car, it could not be any easier (well, throw in a $300 charge pipe)
  9. Ditched the Spoiler…

    Mine is the EOS one, 8/10 fitment, 10/10 price. think it was ~$250 https://extremeonlinestore.com/products/2020-up-toyota-supra-a91-edition-rear-trunk-spoiler unfortunately sold out at the moment
  10. Ditched the Spoiler…

    It does look great without a spoiler, but for me I have no regrets at all with the A91 rep. Its somewhat minimalist compared to most offerings. Follows the lines of the trunk much better imo. It does impact rear vis a bit more than I expected though. Used to it now.
  11. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Boost control is good but timing is weak. Try this map6 next. Bit lower boost and MTs seem to be happier with this target curve.
  12. 2020 gr supra cat. 2000 miles $1025 shipped.

    Don't mind everyone giving you a hard time ? just the way this forum is, embrace it lol. You probably won't have much luck at 1k. In 2022ish prices peaked around 700-800 from what I remember and nowadays you'd be lucky to get half for scrap recycling. My advice is to just keep it to bundle...
  13. Less than expected dyno results.

    Thanks! ~40whp/~60wtq gains are pretty spot-on for JB4 on 93 octane. Of course it is only the gains that matter and not the overall number, as it is dyno dependent.
  14. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Never really occurred to me that it is still commonly leaded at that octane. I know there are still unleaded options at 106, so I guess it depends what they're gonna run. Obviously don't put leaded gas in your car ?
  15. JB4 Owners (2020 ONLY)

    If you want to run E50, go for a proper tune. JB4 depends on stock fueling map and won't work with any higher E blend than E25-E30 In my thread, 2020s have hit around 440-450whp on E30 w/ JB4. So that's pretty much the limit.
  16. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Yeah, theoretically that should be even better since it won't reduce fueling headroom like E85. Should achieve same octane
  17. MT revs upwards when hard driving in between shifts

    yeah, my guess is like a protection against compressor surge maybe?
  18. MT revs upwards when hard driving in between shifts

    Phil, what do you think about the possibility of it just de-pressurizing the charge pipe by opening throttle?
  19. MT revs upwards when hard driving in between shifts

    Then why would it rev to higher RPM than the peak RPM of the pull? That would mean the car is gaining speed after pushing in the clutch.
  20. MT revs upwards when hard driving in between shifts

    Welp, here you go. Conveniently happened on my drive in this AM. See #1, I lift off the pedal completely after a 2nd gear pull #2 throttle blips back open briefly #3 RPM start spiking to redline without any pedal input I did not even move the shifter, just clutch in.





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