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Old 12-01-2008, 09:44 PM
trackfodder trackfodder is offline
Motorized Bicycle Elite Member
Join Date: Sep 2008
Posts: 334
Default Re: Piston Skirt mod for improved performance?

You are right about the low end power gain. You dropped your ports so it retains combustion pressure longer and the increased c/r probably helps, but of course the top-end power suffers KW
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