Does anybody know whats the difference between lets say VP m1 methanol and some methyl hydrathe alcool that you can buy at your local hardware store? on both cans it says 99.5%pure alcool, whats the difference? i can get 5 gallon drums of the hardware stuff for more than 50% less$, and i know most local drag bikes around here run on the hardware stuff. There has to be a diffrence...