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  1. New (and old) SupraMKV members say hello!

    Glad to see you stopped being a creeper. Welcome...creeper. I'll make sure my curtains are closed at night now. Things to remember: 1. Ask @zrk 2. @Jesse DaBears can do that 3. Yes, your post 6/20 ECU will go to FEMTO. Click here. 4. In two weeks edited for: Since you're a creeper I have...

  2. New (and old) SupraMKV members say hello!

    Hey everyone! Been lurking for some time now, but figured I'd finally make an intro post and get more involved. Just sold my old big turbo Evo X a couple months ago and decided to jump ship to a 2021 Nocturnal Black 3.0 Premium (No, I do not regret my decision at all.) Supra already had a...

  3. Fuel IT Flex Fuel Sensor, Port Injection, Bigger Turbo?

    I realize I didn’t fully explain on the mods, my bad on that. JB4 with MHD and Backend Flash from Burger. So the car is tuned. Catless DP/Full Exhaust (AFE) Intake/Charge pipes/Turbo Inlet Current blend is E40 Car made 477rwhp and 565rwtq last week on the dyno. What i wasn’t sure of is using...

  4. Is it worth getting a custom JB4 map if you’re not doing flex fuel

    Get a tune for more "clean" power.

  5. Is it worth getting a custom JB4 map if you’re not doing flex fuel

    I have a 22 3.0 premium I have a armtrix catless dp, hks exhaust and hks carbon intake I plan on doing 93 but is it worth getting a custom jb4 map for just that. Not really tracking it, just street and driving for fun. I’m being told by other owners that’s it’s not worth that much money (500$)...

  6. JB4 DRAGY TIMES

    For my JB4 guys, I went out and did some testing of all the maps including map 0 (JB4 disabled) on an E36 mix. Mods: Magnaflow XMod Exhaust Eventuri Intake INJEN Chargepipe Mishimoto Heat Exchanger 4.5in Catless Downpipe JB4 My personal best I’ve gotten on map 6 is a 9.36 with a passenger...

  7. Tune or exhuast

    are you looking for power or sound? if you want power, you need a tune. you can get bootmod3 to take care of the CEL or if you dont want to send your DME overseas, get a JB4 instead and pair with the active autowerke catted downpipe which does not trigger the check engine light

  8. Can someone review these jb4 map 5 logs for me

    I’d love an analysis on my recent logs, if anyone is willing @ColonelAdama Thanks! Maps 2, 4, 5. https://datazap.me/u/apricati MODS — JB4 BT EWG harness Mishimoto heat exchange Ingen intake and charge pipe Catless 5” downpipe Armytrix full exhaust ~E29 blend (E85 & 91) IAT’s 75°-85° (winter...

  9. If I had a dollar for every ____ that wanted a piece of the Supra…

    JB4 MAP 5 (this was ragged edge trims to high, afr to high don’t recommend but it was fast it needed a tune badly) E30 Fuel Injen Intake Injen chargepipes DInan CF turbo inlet Kanji Garage catless DP AFE Full exhaust 305/30 PS4’s to try to help with traction though not so much anymore… Driver...

  10. FS-JB4 wireless connection

    Recently brought my 22' a91 cf back to stock. Getting ready to sell. Parts that are available, HKS hi powered exhaust. Bought it from the a90 shop in las Vegas that was on their demo car. about 2k miles on it. -sold AA catted downpipe as well as 2k miles on it. -do not have a photo atm Sold...

  11. MHD+ for Supra and Gen 2 B58

    I just ventured, after a year of JB4, to the MHD side of things and i’ve been really happy with the results. Some real world dyno results playing with a few options and here is what I found works best. Current mods 2020 unlocked DME: Kanji Garage catless DP Injen CAI/Charge pipes Dinan Turbo...

  12. How to not build a manual Supra

    It's fine in Australia...as long as you don't mess around in the public the cops normally won't trouble you looking for a defect. Cars running big aftermarket turbos with big power are legal as long as the exhaust noise is 90dB or less EU is unfortunately now a nanny state for car enthusiasts...

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

    Looks pretty strong on the OTS. Looks like throttle closures on the JB4 stacked runs. Can you post the logs?

  14. 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...

  15. supra 2.0 turning radius

    wow that is really dope! Hmm no don’t think I’m going for a drift car tbh. I really enjoy driving it stock and clean, will prob do jb4, catted downpipe at first after putting a few thousand miles on it. Then a high end exhaust, cold air intake, new tires and wheels and a cool dampening...

  16. minimum amount of parts/$$ spent to achieve 3.0 speed

    I’d like to add this guy snapped his axle doing a launch and replaced it with parts from a 3.0 lolll

  17. Drive power reduced and jb4 codes

    Hello does anyone know what these codes mean? I get an occasional drivetrain: cont driving possible, power reduced. Then it goes away. I started driving in the cold but not going crazy in northern VA. Check engine came on for 10 mins or so then went away 2022 Supra 3.0 I have a front strut...

  18. minimum amount of parts/$$ spent to achieve 3.0 speed

    what is XHP and E30?? I think my first performance mod will be this downpipe! I think I wanna go catted, if there is a cheaper catted alternative to this I'd love to see it. A new intake manifold and turbo upgrade might be overkill for me TBH Enhance Performance with Active Autowerke Toyota...

  19. minimum amount of parts/$$ spent to achieve 3.0 speed

    Check out IPOS. They have a great intake manifold, 4" catless DP and turbo upgrades. You can send your DME off to Femto and then get a Navardi E85 tune via MG flasher. Just those should have you rollin in the low 4's. I'm running XHP, Kenji catless DP, AFE intake, charge pipe, RK exhaust, JB4...

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

    SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1) Been a busy 5 months learning nearly everything there is to know about JB4 on the B58 platform. Funny how trying to get my catless MT running right turned into countless log reviews and custom tuning on the JB4tech.com forum. As Jesse said it...





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