Originally Posted by Let It Rein
Wonder if anyone has run E85 with an ESS kit and tune. Just curious if I would gain anything or would need a tune FOR E85.
I have , 20% e85 80% 93 car felt smoother , idled smoother & felt crisp in performance , afr's were 11.2-12.2 @ 8k ..
I also ran meth just to keep things in check but never dyno'd but will soon.