Quote:
Originally Posted by Sporty Modder
I was running "snowmobile" fuel, pump said does not contain ethonol. The other pumps say, may contain up to 10% ethonol. My experiance in switching to the snowmobile fuel resulted in a 2mpg gain in fe, thus my previous statement.
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Considering that a 10% ethanol content would lead to a total 3% lower energy content than the same volume of pure gas, it's pretty much negligible, but older carburettor-fed engines with lower compression are more sensible to the ethanol effect in mileage even at lower amounts.