heard Great things on pro-systems...i personally purchased a 1150 alcohol carb from APD last month...
made one pass..stood it up on the back bumper ( had no wheelie bars) never needed them up to this point....anyhow..when i came down had to peddle 3x...and still picked up almost 3 mph with the apd carb.
Brian
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Bjuice..
"I'M YOUR HUCKLEBERRY ! "