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View Full Version : Overboost regulator still required?

ttyR2
Wed, May 2nd, 2012, 08:39 PM
Do the PHP chips take care of defueling functions in the PCM, or will I still need to add one of the MAP regulators eventually?
Power Hungry
Wed, May 2nd, 2012, 10:12 PM
All our later tunes correct for the Overboost codes, so no "boost foolers" will be necessary.