Solid, Hydraulic, Flat-Tappet, and Roller Cams - How It Works

With horsepower seemingly growing on trees these days, picking a set of high-flow cylinder heads for your engine combination is the easy part.With horsepower seemingly growing on trees these days, picking a set of high-flow cylinder heads for your engine combination is the easy part. A mother load of rotating assemblies and aftermarket blocks means that building a big-cube short-block to take advantage of all that airflow isn't exactly difficult, either. With the top and bottom end of an engine build covered, the wild card in the horsepower equation often comes down to the camshaft. While it's true that manufacturers offer a diverse range of off-the-shelf camshafts for every conceivable combination, several important decisions must be made before you even narrow the field of part numbers down to a list of finalists.
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Photo Gallery: Solid, Hydraulic, Flat-Tappet, and Roller Cams - Chevy High Performance Magazine


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