A couple of years ago when I was running E85, I thought it was fantastic. I was running a L26 lower end on a 2.8, never had knock. I kept my AFR in the 12.2 range and never advanced timing passed 22*. The power was pretty amazing just by playing with the timing alone. The only two reasons I don't run it anymore is the stations that had it don't carry it anymore....and I never had an aftermarket pump that worked worth a crap in the canister. Stock fuel pump though could easily handle 3.2 pulleys, but go any lower and it just couldn't seem to keep up at the top of the RPM's.
It was a fun ride though, hope you enjoy it!
