Quote:
Originally Posted by TopgunZ
A huge percentage of engine failure, maybe high 90s even, is due to detonation. E85s resistance to this is incredible. You could have a car pushing 350whp and detonating like crazy and the engine will let go. Or take the same car with 650whp and zero det and it will last years.
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No matter what degree of peak timing a motor starts to knock, you still have to pull back some no matter the fuel. A motor knocking at 25* is much safer to run 20* where a e85 motor is in more danger to run 29* where it knocks at 30*. Fuel doesn't matter if you're running on the ragged edge. E85 is only as good as the tune. E85 still costs more, can eat your rubber lines and seals if not vitron or ethanol compatible and produces more harmful ozone.