[sluflyer06]

Main benefit is much higher chance of a getting a new engine sooner than you expected!

Seriously though E85 is extradonarily variable in quality year round and sometimes even from each delivery, it is not a safe fuel to be pushing the car on. Like anything else in life you get what you pay for and E85 is a gamble because real power never comes cheap.

PLenty of people use it successfully and plenty of people will get a bad fill and break things. The octane may be as high as race gas but the quality and consistency of the fuel is incomparable.