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  1. Mustang EcoBoost Discussions
    I’ve been monitoring my ignition corrections for a while now. I have the cobb stage one tune, roush CAI, and roush catback exhaust (y pipe and axel backs). Today I was driving and saw -7.00 on cylinder three for the first time. I’ve seen it get in the negatives before and I don’t understand it...
  2. Mustang EcoBoost Performance
    I stumbled across this and read the entire post. It is a really good and interesting read on octane on your 'boost. 93 Isn't 93... - 2015+ S550 Mustang Forum (GT, GT350, GT500, Mach 1, Ecoboost) - Not to mention discussion of tunes.
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