I've got a 2011 gt. Bama tune went on it around 3,000 miles I think? I'm now over 30,000 .. autocrossed, 1/4 mile. Streets of Mexico at 165... I have had other tunes on it. But never for more than a month I believe. . Always gone back to bama. I'm just basic bolt ons . I've recently started data logging every tank of "93" and so far shell 93 is the best gas.. pilot was the worst.. it pulled so much timing... oh and exxon was just as good as shell. . I'll never fill up at pilot again.. it pulled timing on a 91 octane street tune!!!
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