Originally Posted by VNeBLOB42
Interesting, I thought you just got a Pro Etune with only 91? I didn't know you you were running E85.
With 20% your Fuel Trims are good any more i would get it tuned.
yea ive been running that 91 map and Dz said i can run 20% the most, ~3 gallon per full tank fill up. anything more than that he suggested another E85 tune. so since then ive been mixing 3 gallon E85 to my tank.