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Old 09-13-2008, 02:40 AM   #6 (permalink)
nailhead425
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Re: BUSTED: why some of you complain about you car's performance on E85

While true, 10% ethanol can boost bad gas to 87 octane, in the midwest most of the cheap-gas is either 89 or 90 octane and 10% ethanol.
87/88 octane gas is midgrade, and 91-93 is premium.

If all things are right, about a 5% loss in mileage when using Ethanol blend.
About 30% mileage loss with E85.
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