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what kind of hp would a stock drag ported set of cylinders put out. Say ported by a reputable machinist. sb cpi oof pipes, 66mm wiesco's, stock crank (trued and welded), grr lock up, stock tranny as of now, 35mm airstrykers, dyna and a cool head on race gas. any numbers are helpful. just looking to get an idea of what to expect before spending the money.