without internal mods you can advance timing and thats about it. E85 is BOOSTJUICE. I run 9lbs more on a turbo bike and it develops 140 extra hp (380 total at wheel from 1liter) when on e85 vs 91 octane. also a couple guys run it in hondas around here in albuquerque and are rocking 14.5-1.There...