dubster99
Well-Known Member
If you want to run E85, you'll need a return system. Not sure if anyone makes a flex tune in order to swap fuels/run blends, as the timing between E85 and pump gas under boost is dramatically different. You're only talking a couple degrees of difference on N/A applications, which is why the flex tune works well there. If you're adjusted to E85, put in a tank of pump and get into boost before it adjusts....wouldn't be pretty.
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