what was your initial and total timing ?
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TECH Enthusiast
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what was your initial and total timing ? what what your initial and total timing when you tuned your full bolt ons+cammed f body? a friend of mine will dyno tune his 2001 M6 Z28 it has full bolt ons and MS3 the last time it had issue's with fuel delivery and it ran 370rwhp and now he changed the fuel pump and injectors the car is very rich that it backfires and a black smoke comes from the exhaust non stopping so what do you suggest for timing and air/fuel ratio?
In my experience most bolt-ons will have optimal WOT timing between 24 and 32 and max power A/F between 12.5 and 13.1 (I usually go on the richer end though).
I'm guessing the black smoke and back-firing is because the injector size isn't set in the tune?
I'm guessing the black smoke and back-firing is because the injector size isn't set in the tune?
