Quote:
Originally Posted by mirob
This is incorrect unless I'm misunderstanding how the JB4 works. The JB4 will add the same amount of pre-selected boost to both states of tune (Base vs. Comp). So the discrepancy in power should remain between the two. You are describing a flash tune, not this piggy back unit.
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it's not incorrect, a few of the maps on the jb4 are additive like that, but the more aggressive maps are absolute boost targets. JB4 can do either. The times i posted were run on map 3 (absolute target of 22psi).