SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

[ColonelAdama]

Hey guys I had a question on the IAT spoofing feature, my normal IAT is at 90-105F, is it safe to use the feature to raise timing a little bit? If so how much can I spoof if I’m running an E30 blend? I’ve spoofed it before but only running e25-e30. I just want to be sure it’s safe to spoof lower than the actual IAT. I do have some timing corrections on maybe 1 or 2 cylinders at times but they keep climbing after the correction. And do no timing corrections mean I’m safe?

If you already have corrections, I would not spoof.

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[NemesisDragon]

B


thanks for taking the time to look at the logs. If I run E30, should I continue using Map 2 or switch to Map 4?

If you run E30, swap to custom map6. Send me a DM, if you decide to swap over.

 

[jmikes]

Hey guys I had a question on the IAT spoofing feature, my normal IAT is at 90-105F, is it safe to use the feature to raise timing a little bit? If so how much can I spoof if I’m running an E30 blend? I’ve spoofed it before but only running e25-e30. I just want to be sure it’s safe to spoof lower than the actual IAT. I do have some timing corrections on maybe 1 or 2 cylinders at times but they keep climbing after the correction. And do no timing corrections mean I’m safe?

I wouldn't really mess with IAT spoofing tbh. I'm worst-case scenario (Florida heat and humidity and a 23.5 PSI Jesse map) and the only times my IAT's get high enough to pull timing or cause throttle closures is on long pulls to over 100 MPH; and you'll virtually never go past 90-95 on public roads unless you're an idiot or want to be a racer boy.

Also, IAT spoofing did very little for me. Does a lot for some, nothing for others. I leave it off.

 

[nicecatsupra]

Hello, I am new to the JB4 platform and am only running Map 1 on my 6MT 2025 Supra 3.0. Decided to log after I had my AA catted dp installed, no other mods at the moment. It feels sluggish coming out of 1st gear at times so I logged it. I turned down FF to 20 in the settings but the log still shows 50? Can someone check my log and advise?

https://datazap.me/u/nicecatsupra/l...hannels=1x4-34&sizes=50x50&sc=1-4&axes=shared

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