badbanshee509 Posted June 16, 2014 Report Posted June 16, 2014 im also have a clean up cub cylinder and am in the market for asphalt drag porting my 421 cub cylinder i just got, however how many people got their cylinders drag ported Vs. a cleanup port and lost power, i have been hearing about that issue as well. by the way sorry for changing subjects... Quote
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