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JB4

Discussion in 'DME / ECU Software Tuning' started by Thatguyw_stat, Sep 1, 2019.

  1. RenierR10

    RenierR10 Well-Known Member

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    Alexis
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    Damnit I ordered the Titan tune yesterday :(
     
  2. LS3Twins

    LS3Twins Well-Known Member

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    Yes the numbers came out stronger than the Titan Tune and that's my car on the dyno. Haha. It was also pretty hot in the shop that day so the numbers are with pretty high intake air temps.
     
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  3. SCCA Racer#75

    SCCA Racer#75 Well-Known Member

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    Can we get a 100 octane tune for cars that keep stock downpipe?

    Best Regards,
    Dave
     
  4. 084runnerltd

    084runnerltd Well-Known Member

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    I am sure you can, email Terry at BurgerTuning. He is a class act, I have used JB4 in the past and after working with them, I am forever a loyal customer.
     
  5. LS3Twins

    LS3Twins Well-Known Member

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    Same here. He has been excellent with communication with me so far. You can tell him what you are looking to do and he will give you the recommendation, have you datalog, and then he will check it remotely.
     
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  6. OP
    OP
    Thatguyw_stat

    Thatguyw_stat Well-Known Member

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    Well we’re back on the road from Labworx, Kevin the same man behind the keys on EAG car has done my car. I have a few things I’d like to do before hitting the track. Will continue to keep you posted all team. Keep this thread alive!
     
  7. Gearbangin

    Gearbangin Well-Known Member

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    Larry
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    These piggy backs just trick the car into increasing boost levels only right? The change the reading to the computers right?
     
  8. kona61

    kona61 Well-Known Member

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    Basically, yes. They read a few other things and I think they may be able to change some timing stuff? (not sure on that). Either way, I would not recommend it for you because your car sees the track. The flash tunes are much more predictable and smoother.
     
  9. RRKnight

    RRKnight Well-Known Member

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    Rocky
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    Any JB4 install videos for the 2020 supra?
     
  10. LS3Twins

    LS3Twins Well-Known Member

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    It is just 2 connections in the engine bay. Super easy
     
  11. RRKnight

    RRKnight Well-Known Member

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    I saw that video. Unfortunately the supra has a big chunk of a metal device on the driver side that is blocking the grommet access to the inside to connect to the OBDII. How did you guys route the wires to the inside?
     
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  12. larrymz3

    larrymz3 Well-Known Member

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    The video sucked because our engine compartment is definitely different than the one shown in the video.

    Anyways, finding the grommet and access to it was extremely difficult. Take off the driver's side access panel under the hood (turn the knob and it will release).

    Look for the big round metal canister thing. Immediately next to it, you will see a plastic wall with a small notch/cutout on the left.

    If you put your screwdriver in that cutout and push straight forward you will break through the plastic grommet on the firewall which leads into the passenger compartment.

    I taped the jb4 obd2 cable to the piece of the screwdriver sticking into the cabin then pulled it back out into the engine compartment.

    It sounds difficult, but, it was super easy once I found that notched plastic wall cutout and the grommet immediately behind it.'

    If you have any questions feel free to pm me.
     
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  13. RRKnight

    RRKnight Well-Known Member

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    Thanks. If you have pictures it will help. It does say the OBDII connection is optional but I'm missing some readings without it.
     
  14. 084runnerltd

    084runnerltd Well-Known Member

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    I ordered mine with the wireless Bluetooth kit....I was hoping that resolved the obd II connection.

    Directions say the cable is optional and used for CANbus controls, but honestly I don’t know exactly what that means...Also, I thought our cars trigger an alarm if anything is plugged into the OBDII when the car is locked? (That is what the manual says anyway)

    I had the JB4 many years ago and remember the install was easy, but don’t remember the details...

    Mine arrives on Saturday...I will post if nobody else has cleared this up. Good luck.
     
  15. larrymz3

    larrymz3 Well-Known Member

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    I got the Bluetooth kit also. You will need the JB4 app (27.99) also.

    The obd connection is required to clear codes and change CANbus specific settings. No alarms when plugged into the obd2 port lol.
     

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