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  1. Starter Troubleshooting

    Honestly I think auto/stop/start and a low battery kinda hastened its demise. That feature kills starters and batteries IMO instead of starting a couple times a day it could be 25 times a day if you’re stuck in lots of traffic on long commutes like mine. You go from maybe 50 starts a month to...
  2. Lowering springs -- I'm somewhat disappointed

    I’m going to throw another vote in for whiteline springs. All of the Supra guys I know in Tampa and myself all run them. Close to stock ride quality so it won’t punch you in the kidneys all day and the gap is just perfect with no rubbing. stock launch edition rims 13mm front spacer 10mm rear...
  3. What Tire Brands are you running?

    Absolutely. Combo works great and looks great and the car drives fantastic. Definitely a more aggressive look especially from behind. Everything fits fine. Make sure you have a good shop do the mounting and balancing nobody wants scratched rims or shaky tires
  4. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Easy enough to swap plugs for peice of mind. Should I do the 1 step colder Or just stock replacement? Should I get the billet PCV setup or do I not need that yet? Javi mentioned the stock ones can pop under high boost But that may be like 25+. I gotta order the burger catch can as well. I’m...
  5. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    He was really cool I took one look at the rear and the tires and thought ā€œyea I got no chanceā€ but he was cool and did a couple runs with me like a champ, he left so hard I thought I hit the brakes LOL.
  6. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    HUGE THANK YOU to Terry at Burger HUGE Shout out to Javi at Midnite Motorsports we did so many damn runs and logs today and he was awesome! Highly recommend. I sent Terry a frantic message about the boost spike and we ended spending an hour on email going back and forth troubleshooting. There...
  7. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    This is what I’m referring to https://datazap.me/u/phantomx2k/bef-map5?log=0&data=1-4 This is not safe 35psi boost 21 psi boost2 part throttle just trying to pull out in traffic
  8. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Yea car is super hot. We did 20 runs plus. Garage is getting hot. if wet let it cool off for an hour probably 470. A cooler day maybe 480.
  9. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Will do. I’ll up the content a bit. And drive to let it adapt. Javi messed with some adaptation and other settings. It seems to be behaving going to drive it here in a min. For a 2020 335hp car with a DP and filter and tune making that in FL humidity that’s pretty good by me. It’s safe. AFR...
  10. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Colonel we went to the backend flash Javi wanted to try it. That’s what netted us this. Going to test drivability now. It seemed to behave on the Dyno though At some point the DME basically said piss off and stopped boosting over twelve psi so we reflashed with the BEF. Did map 1 made good...
  11. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Final setup 460/505 graph attached https://datazap.me/u/phantomx2k/bef-map-5?log=0&data=1-4
  12. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Yea we are messing with map6 we are up to 457rwhp/525tq it had a bit of a fit and decided it doesn’t want to play nice.
  13. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Best run 436rwhp/531rwtq JB4 didn’t do much for HP but managed 25lbft tq so not worth it. The MHD OTS e40 did 430/505 when you add drivetrain loss back in it’s about 500hp crank so a down pipe, some exhaust and filter and tune added 150+ hp over the stock 335 the 2020 had. seeing if we can...
  14. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Strapping down moment of truth LOL
  15. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Thank you, That is hugely helpful. Might be a good idea if the JB 4 folks update that on their thread. I’m headed to midnight tuning for a Dyno session now. Based on my mods the 91 tune probably not a good idea. Going to Dyno what works at this time which is MHD e40 stage 2 if that goes...
  16. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Do you know which map that is? You downloaded the files as well there are 2 in there the bef is hosed on race. You’re right nothing you guys can do with Terriā€˜s map. The throttle response is wrong, the boost, spikes all over, it surges it bucks. It’s like it’s the wrong tune for this car like...
  17. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    @Jesse DaBears. Look at this log. Since Jb4 combined runs this one shows the same crazy boost spike hitting 9.1 psi just pulling out on the street. The car should not do that at 1:/3 throttle easing out the back half of the graph where the run begins is reflashed and is the MHD tune. So 2...
  18. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Not sure what you read that log shows 9psi at 30%. Those graphs clearly show boost spike abnormally fast not to mention it surges and bucks, throttle response isn’t right. It’s like it’s not meant for the car it shouldn’t be trying to run that much boost pulling out of my side street in the...
  19. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Here Is the difference to illustrate why this was scary. The first graph is the MHD tune and you can see about 30% throttle and holding 30% for about 15-20 seconds and boost stays steady around 5psi like it’s supposed to With a nice easy ramp up and then holding like it should. The 2nd chart...
  20. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    When I say boost spikes I mean it races toward full boost and the guage maxes out with only part throttle input And it doesn’t matter what map I set it to even Map 0, I’ve driven the car for a year and over 13,000 miles it doesn’t behave like that it is very evident something is wrong when you...





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