Quote:
Originally Posted by ksa8907
The reason e15 could be bad is some engines use exhaust valves that can't handle the heat. If you want to know you'd have to figure out what type exhaust valves you have.
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I say MYTH ??? That only happens if your car runs lean during WOT, any modern car with an O2 sensor can handle E15 (or e30 for that matter) Just don't press the gas pedal to the floor, closed loop only please.
AKA running at stoich ethanol burns MUCH cooler than gas so no burnt valves.