I didn't realize they made a oxygenated 113 octane fuel. It says it is good for up to 14:1 and oxygenated to street gas levels. I guess I won't know which one works best till I try them. Too bad you have to buy it in 5gal cans. Wonder if you could mix them?

Work In Progress- 71' Duster F.A.S.T.- 10.36@130 Smallblock Record Holder.