Quote Originally Posted by DaytonaGTP500 View Post
ok so ive herd alot about people mixing 91 octane and E85 for a moderate race fuel. I guess im just curious if anyone on here does/has done this before and if so what kind of a ratio is used for this and if its honestly even safe or not for me to run ONLY at the track, any and all replies are appreciated
Yes but you must be wideband tuned for it.