Ford Mustang Forum - View Single Post - 93 Octane (10% Ethanol) v. 87 Octane (Ethanol free)
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post #8 of (permalink) Old 01-21-2016
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Joined: Sep 2010
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Originally Posted by Thereaper View Post
Why do people make a big deal out of ethanol ?
Good question. A lot people avoid E10 but tuning for E85 is popular. Seems counterintuitive.
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