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TB Porting?
Porting the throttle body seems to be a low cost mod for a few extra HP and Ft lbs. of torque. The porting process removes material from the inside of the TB making it larger allowing more air flow but only up to the butterfly plate. My question is: is the butterfly plate replaced with a larger Dia. one? If not then I cant see any change in increase of air flow. Can those who actually do the porting answer please.
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