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Horsepower difference ?
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01-16-2024
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onetinsoldier
Join Date: Aug 2016
Location: Spring Hill, FL
Posts: 127
Re: Horsepower difference ?
I believe you are correct, porting and some change in cam grinding , gave it the 30hp gain . I know chevrolet used to retard cam timing years ago for emissions and hp reduction to meet standards.
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