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Old 02-09-2011, 12:56 PM
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Ethanol has a tendency to reduce the amount of combustibles so basically what you have is a gallon of fuel that won't get you as far as a gallon of non-winter blend fuel will.

My truck would not run on 87. It pinged, got really poor mileage, didn't like it at all. 89 was better but the truck didn't seem to be liking that octane rating either. So I burn premium and the truck runs great! I get my best mileage with 92 octane.
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