Quote:
Originally Posted by WardL
You won't like it.... Ethanol. E85 is over 100 octane. You have to make sure your fuel system can take the high ethanol (no rubber, all steel). You may also be surprised to hear E85 may only have 70% ethanol. Pretty funny.
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All very true, but the engine needs to be tuned for E85.
Ethanol runs a richer stoichiometric ratio than petrol, about 9.6 vs 14.7.