Originally Posted by
wingracer
Ok, personally I wouldn't mess with E85 at all. Straight ethanol with maybe 10% oil, half castor half synthetic (Klotz Techniplate and Benol is probably the easiest for you to find).
To get it to run right you will probably need to pull a couple head shims and run the hottest plug you can find. With a good tune on the carb it will probably run fairly well.
good start maybe a new shape to the cumbustion camber in the head button maybe a dome to the piston and make some power