If you normally run e85 your still in the same class. fuel
Youd have more classes by bringing a adjustable swingarm or a adjustable fuel cell.
I am really impressed with it but definetly add a little fuel over pump E85.
It is heavy heavy with oxygen. I spilled a little in the drive way, about a 3inch area. I went to light it and the flame front started 1-1.5feet away.
Um heavy with oxygen!!!