Quote:
Originally Posted by njobe89
if you just switch to e85 without a tune, you won't make any power. with the correct tune you are supposed to make power... not sure how other than it's higher octane rating than 93.
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That's what I thought as well, but someone in here is claiming that he saw a power increase with zero timing changes. I was under the impression that the additional power from an E85 tune came from the additional timing you could run.