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  1. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Great progress on low RPM behavior now. Quite happy with this map now for my MT. 2 logs included https://datazap.me/u/coloneladama/colonel-mt-success?log=0&data=1-2-3-4-11-15
  2. Tried out map 4 with the jb4 on e30, here are the logs…

    Getting better. Try it at with FF set to 40 and log again
  3. JB4 Maps on 93 Octane

    Yeah I have no idea how reliable that 0-60 actually is so don't take it so seriously. Logs look pretty good. Run 2 had the cleanest shifting. Others boost spiked a bit on shift, so I recommend turning up autoboost redux till Boost2 stays relatively smooth through the shift. ie, turn it up by...
  4. Downpipe, catback & intake question

    @Phantomx I could probably get JB4 working well enough on any MT car but it's not gonna be perfect. Occasional hiccup here and there. Also, like Jesse said - it takes a lot of time and revisions, so I could give you a base map and a rev or two but it's too much work to not get paid for ? so...
  5. Tried out map 4 with the jb4 on e30, here are the logs…

    Correct and no, nothing more is needed to run Map 2.
  6. Tried out map 4 with the jb4 on e30, here are the logs…

    Ah yeah okay, you definitely need to do your duty biases then... catless will make JB4 run like shit otherwise. I really wish BMS would make this info more well known but they don't want to be involved in any emissions related stuff since they're in Cali. start with these. get me a map 2 log...
  7. Tried out map 4 with the jb4 on e30, here are the logs…

    Are you stock downpipe? looks like a lot of throttle activity (ie. slight overboosting)
  8. FS: 2021 Absolute Zero 3.0 Premium, 2800 miles

    Great price indeed. Seller likes to mod his cars more than driving them though ? I dunno how people can put 10k+ into a car in great mods to drive it a few hundred miles a year and sell for a huge loss lol
  9. JB4 Maps on 93 Octane

    Looks pretty good. See if turning up autoboost redux improves your shifts. Boost could be a bit smoother on the shift from the log.
  10. Is it worth getting a custom JB4 map if you’re not doing flex fuel

    @FLtrackdays, let me know if you still ever want to dial in that mild track map! We can try something like @i3igpete said : 2-3 psi max over stock with a taper up top. Should be possible since you are on 93 I'm curious to see some track logs and how much the car can take at high temps.
  11. Should i get paint correction before ppf?

    My PPF/detailer guy didn't need to do any corrections on my car before full frontal PPF, as I had it dropped off with like 100 miles. Maybe you can barely see some "orange-peel" at certain angles and lighting, but no micro scratches that I could find with lights. Full car was ceramic coated as...
  12. Tried out map 4 with the jb4 on e30, here are the logs…

    Yeah some cars struggle a bit more with absolute maps. Send your latest Map 2 log and I'll see if there's any room for more.
  13. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Here's a log from this AM on my MT running something similar to Map 2. 1 gal E/93. https://datazap.me/u/coloneladama/log-1710163727?log=0&data=1-2-4-8-20&solo=2-4 Still working things out under 4k a bit, but car is feeling strong. notice how ridiculously low FF needs to be on an MT.
  14. JB4 Maps on 93 Octane

    map is too hot up top. timing is horrible. 5k+ boost needs to be dropped. why not try map 2 and see how timing looks then? if its still no good, then you'll need better fuel.
  15. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    20 psi at 4k quite easily
  16. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Got some good news for my MT people coming soon... ;) Newest firmware I'm testing for Terry (BMS) has gotten additive boost control working nicely. If you were catless/high-flow+JB4+MT , you should know additive doesn't work at all... Still tweaking a few things on my end to adapt to the new...
  17. Is it worth getting a custom JB4 map if you’re not doing flex fuel

    Either will be a good fit for 93. One is additive, one absolute boost targeting. Take a log with both, upload to datazap and link here
  18. Is it worth getting a custom JB4 map if you’re not doing flex fuel

    Map 4 + duty_15 duty_20 duty_25 duty_30 duty_35 duty_40 duty_45 duty_50 duty_55 duty_60 duty_65 duty_70 27 27 27 27 30 31 34 43 50 52 55 55 enjoy
  19. Official: 2024 Dodge Charger Daytona (EV + ICE), Scat Pack, Daytona R/T Revealed! 670 Horsepower / 0-60mph in 3.3 Secs

    Agreed. not the car for me, but the 550hp 3.0T hurricane? Few 6 cyl engines that can hold anything to the B58/S58, so curious to see how it does.
  20. JB4 DRAGY TIMES

    It can but not necessarily. Stock tune would be fine at e30-e40. JB4 is usually happiest E20-E25 in my experience recently, but some cars can handle more.





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