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I see you've got 12:1 pistons! Pretty high CR isn't it? What gas do you use?

How is the power with those?

S.



I use 93 octane. I had to retard the timing (via the pick up sensor) by 8.25 degrees. Backing up the timning was probably good for an extra 5 hp or so. The bike really is a lot of fun, once you crack that throttle, hang on!

05 speedmaster - 1100cc, 11:1 racing pistons, Carillo rods, thunderbike cams, ported and polished head, 2mm over intake and exhaust valves, Barnett kevlar clutch, scepter pipes, oversize manifolds, 45mm HSR's, TTP stage 4 firestarter