Piston Skirt mod for improved performance?
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12-01-2008, 09:44 PM
Motorized Bicycle Elite Member
Join Date: Sep 2008
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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