In process of switching from SB to BB. SB I had ran on alcohol best of 10.54 in 1/4 6.59 1/8 126mph 1.42 60fts 590 cam crane 1.5 rockers Ken Jones 750 carb 4:88 gears. I think bigger on carb would have helped.. Heads Hughes mildly ported iron. I'am just about 62 (nov) On hold myself other things going on. Its slowing my BB upgrade for now. Hopefully be ready by spring or mid summer 2011.