stock program vs. herter program on boosted setup
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Join Date: Jan 2005
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stock program vs. herter program on boosted setup
guys, I have a herter high ocatane PCMtuning on my PCM that was doen when the car was N/A and was doen to use 94 octane in my iron head LT1 impala SS. now with having done the twin turbo setup am i now best off to put in a factory PCM to recalibrate and dyno tune or will i be safe with the 94 octane tuning or will the advance be farr too much for a boosted motor?