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SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

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ColonelAdama

ColonelAdama

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How do you route the cable for the OBD2 port with a manual? There's a hose for the clutch slave where you would normally run it through.
I just did it behind the door lol. There's enough room not to pinch
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Eastwood

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I just did it behind the door lol. There's enough room not to pinch
I did this too. I know you can wiggle your way through the firewall with the line there but I realized if I wanted to remove it would be a pain too.
 

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So I reached to Burger Motorsports and Terry recommended the door route as well. He sent me some pics. I personally don't like the looks of it but I guess that's the simplest option.
 
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ColonelAdama

ColonelAdama

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So I reached to Burger Motorsports and Terry recommended the door route as well. He sent me some pics. I personally don't like the looks of it but I guess that's the simplest option.
Yep, unless it really bothers you. It is the best way on MTs.
 

djf

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So I reached to Burger Motorsports and Terry recommended the door route as well. He sent me some pics. I personally don't like the looks of it but I guess that's the simplest option.
Could you please send me those pics or post them here? I've got a jb4 waiting to be installed
 

Timmy_Jones

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Hey! Have a question for anyone here or @ColonelAdama - Car has been hesitating under throttle if I get in the gas quickly almost like Traction Control is cutting power? If I roll into the throttle, car feels amazing and pulls hard. Not sure what may be happening. I have tried with VSC on and off and it’s the same; if I stab the pedal quickly in 3rd the car really bogs and hesitates.

Attached is a log from today, I think the JB4 combines maps now?? I had three runs. A quick 3rd - 4th gear run (without issues) a 2nd-3rd gear run (without issues) and then another log of flooring the car quickly in 3rd gear where it bogs. I appreciate any help! Going to flash back to map1 tomorrow and give it a drive. See if it gets any better.

Log here: https://www.jb4tech.com/filedata/fetch?id=844030


I did create a thread on JB4tech as well: https://www.jb4tech.com/forum/model...23-b58-supra-map6-hesitation-at-full-throttle

*Can't attach log here, its linked on JB4tech
 
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Timmy_Jones

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Just ran the car in Map1 for a bunch of pulls. Doesn’t pull as hard as Map6, but zero issues with losing power and hesitating. Darn :thumbsdown:
 

razorlab

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Hey! Have a question for anyone here or @ColonelAdama - Car has been hesitating under throttle if I get in the gas quickly almost like Traction Control is cutting power? If I roll into the throttle, car feels amazing and pulls hard. Not sure what may be happening. I have tried with VSC on and off and it’s the same; if I stab the pedal quickly in 3rd the car really bogs and hesitates.

Attached is a log from today, I think the JB4 combines maps now?? I had three runs. A quick 3rd - 4th gear run (without issues) a 2nd-3rd gear run (without issues) and then another log of flooring the car quickly in 3rd gear where it bogs. I appreciate any help! Going to flash back to map1 tomorrow and give it a drive. See if it gets any better.

Log here: https://www.jb4tech.com/filedata/fetch?id=844030


I did create a thread on JB4tech as well: https://www.jb4tech.com/forum/model...23-b58-supra-map6-hesitation-at-full-throttle

*Can't attach log here, its linked on JB4tech
Throttle closed to 24. DME ain't happy.
 
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ColonelAdama

ColonelAdama

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Just ran the car in Map1 for a bunch of pulls. Doesn’t pull as hard as Map6, but zero issues with losing power and hesitating. Darn :thumbsdown:
Update to V24 firmware and drop FF to 48, see if it helps at all.
 
 








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