Quote:
Originally Posted by allmotor_2000
Depends which JB4. The Stage 2 (with BCM) does not use additive boost, so you give the absolute target. So, if flash is 18psi and you want 20psi, enter 20psi.
Yes, JB4 reads actual pressure, actual trims, actual AFR etc. There is a DME_TARGET value that shows what the ECU is trying to achieve (stock or flash).
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So just to be clear. Jb4 will in fact control actual boost even if you have ecu tune?
So if i am looking for 28 psi of boost i use custom map on jb4 and forget about boost values from ecu tune? Does this apply to boost by gear and rpm?
Essentially what you are saying is that jb4 will pretty much ignore ecu flash tune values?