JB4 DRAGY TIMES

[stefastn]

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. What else should I do besides obviously get an unlock

DA: 1211ft

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[Awales74]

It's helpful to provide some idea of procedure (cruise at 50 and stand on it, traction control off, etc...) and location (up hill, down hill, street, track).

Also, you run Exx on map 0 - 2? Is that safe?

 

[Sub-MkV]

What year Supra is this? I thought over e30 on a jb4 or stock tune is running into fuel trim issues.

 

[ColonelAdama]

What year Supra is this? I thought over e30 on a jb4 or stock tune is running into fuel trim issues.

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.

 

[stefastn]

What year Supra is this? I thought over e30 on a jb4 or stock tune is running into fuel trim issues.

2021

It's helpful to provide some idea of procedure (cruise at 50 and stand on it, traction control off, etc...) and location (up hill, down hill, street, track).

Also, you run Exx on map 0 - 2? Is that safe?

street run beside everglades, starting around 45-50

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