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  1. trash site

    I am saving every post for when i go unlock down the line ?
  2. B58 JB Plus Quick Install Tuner ....

    Unlikely, JB+ only transmits boost values to the DME that are within its acceptable limits. So its not detectable when removed. Only hint may be that fuel trims are higher, but that's not enough evidence to deny a warranty.
  3. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    duty_15 duty_20 duty_25 duty_30 duty_35 duty_40 duty_45 duty_50 duty_55 duty_60 duty_65 duty_70 30 30 30 32 34 34 34 46 64 64 66 68 Yeah, try it with FF=16, PID gain=15, these duty bias Probably map 1 to start. And of course needs to be on Firmware V24 Not sure on the altitude, I figure...
  4. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    For AA dp, I'd just start at FF 25 for the first pull and see how it looks from there. MT range seems to be 15-25. My car is catless at 16. Have some high flow dp cars at 20. Stock cars around 25.
  5. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    https://datazap.me/u/coloneladama/log-1727098356?log=0&data=1-2-3-4-11-14-25-26-27-28-29&zoom=202-241 Clean log for sure. No throttle closure, smooth boost curve, perfect timing, mostly flat trims at 40. Definitely a strong map at +5 psi additive.
  6. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Checked your log again, Just try these: Duty 50 up by 1, Duty 45 up by 1, Duty 40 up by 2. I don't think anything else will be needed. duty_15 duty_20 duty_25 duty_30 duty_35 duty_40 duty_45 duty_50 duty_55 duty_60 duty_65 duty_70 32 32 32 32...
  7. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Yup, looks perfect! If anything, i'd just bump up the Duty's below 4500 a little (1-3) Ideally, ecu_psi is about 1 psi below dme_bt
  8. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Probably the ones in the original post of this thread
  9. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    completely fuel dependent. On 93 probably around 40whp, on E30 up to 75whp I'd guess. Not sure on the impact of the downpipe, probably another 10-15whp on top of those.
  10. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Try to keep trims under 45. If it is 45+ for multiple datapoints, you are not leaving yourself enough headroom.
  11. JB4 + xHP install question

    About half the cars I've tuned on JB4 have XHP. they work well together, doesn't matter the order you install. Map 1 for 91/93, Map 2 or Map 4 for some 93 or E30, Map 5 for 93/E30+
  12. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Yeah all the pulls look great. you can try turning up the boost some on map 6 now that you have ethanol map6_15 map6_20 map6_25 map6_30 map6_35 map6_40 map6_45 map6_50 map6_55 map6_60 map6_65 map6_70 1.4 1.9 2.4 2.9 3.4 3.9 4.4 4.9 4.4 3.9 2.9 2
  13. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    yeah its a bit high, try at FF 40 next
  14. B58 JB Plus Quick Install Tuner ....

    No. Get an O2 spacer/cat simulator. I have Kenji/Function Werk catless, no CEL.
  15. B58 JB Plus Quick Install Tuner ....

    Honestly AA is probably fine, catless is the main issue. Just pony up for the JB4 and its a non-issue.
  16. B58 JB Plus Quick Install Tuner ....

    Only if non-oem downpipe. JB+ worked fine, even on my MT, till I went catless. Then that ruined it lol
  17. 2021+ ECU Locked?

    EPA is handing out massive fines for any software or emissions tampering. Bosch ECU. Consequences of dieselgate.
  18. How much do I need to detune?

    Do this!! ^^^^
  19. How much do I need to detune?

    Could just JB4 it, enable Bit 3, and run absolute targeting that tapers off boost at peak power. Generally 1 psi down from stock is 10-15whp reduction. So that is a $400 solution if they allow it. I definitely wouldn't waste money on a custom flash that is slower than stock lol





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