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      12-07-2012, 10:18 PM   #21
DRedman45
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Quote:
Originally Posted by Stohlen View Post
Except that you want to put in 30% ethanol, not 30% E85.

Gasoline is usually 15-20% ethanol, E85 is obviously 85%ish ethanol.

So estimating 10 gallons of fuel. You'd want to add 8.5 gallons of 93 octane and 1.5 gallons of E85. This would give you an estimated 29.75% ethanol content. Or E30 fuel.
you pointed out exactly why the basic math works
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