Quote:
Originally Posted by Dandadda
Your flash tune will always be the primary tune since its done on the ecu level. For example if you are tuned for 23 psi with the your flash and then stack jb4 using map 1 you will see boost at around 27psi because jb4 map 1 adds about 4 more psi on top of whatever your ecu is running. I run bm3 with JB4 stacked on map1 and I get about 26-27lbs of boost. Hope this answers your question.
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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.
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I have a tune with 22psi. If I stack JB4 /BCM Map 1, will psi be 26-27? The above quotes seem to coinflict...