Thread: Fuel Type Questions (Novice Here)
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Old 06-23-2009, 11:06 AM
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Quote:
Originally Posted by bkrell View Post
Actually, ethanol is used in many places to increase octane....
Yes it is, and many folks with highly tuned turbocharged and supercharged engines run E85 precisely for this reason. However the energy content of ethanol is less than gasoline, so MPG suffers.

It would be interesting to compare the timing advance with E10 and "pure" gas in a Fit. But speaking for myself I'd still rather have "pure" gas back again and get my MPG back where it used to be.
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