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Old 10-21-2008, 05:00 PM
i-paint i-paint is offline
Motorized Bicycle Elite Member
Join Date: May 2008
Posts: 136
Default Re: The best way to 40+mph

Hi, I think the china engines are reliable and fast with a few changes. I am on my fifth one and have never had one to just die on me. I'm running 38mph with one. I have an expansion chamber and that is really the only thing I have added performance wise. I hope to reach 40mph also.