Re: Big Valves and porting?
My car: Down draft Weber, high compression head, Pierce manifold, insert bearings with pressure lube, balanced crank. high lift cam, and big intake valves. I am guessing 80 horsepower. I tired the stock intake and carburetor but it really reduced the power. The engine has to be viewed as a complete system with all the components working together. See https://www.modelaparts.net/dyno.htm/dyno.html for some dyno tests of different add on's.
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My car grows red hair, and flies through the air.
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