Overhead cams are a more efficient method of actuating the valves than with a pushrod, but someone in Detroit never got the memo. And thank goodness they didn't. With production pushrod mills turning ...

Of all the engine components that are often changed when modifying an engine, the cam and related components are some of the most critical. Pick the wrong combination of parts and the advantages of ...

Would you believe us if we told you that you could put 15-17 more horsepower to the wheels with rocker arms? We were a little skeptical until we soaked up the complete details on how possible this ...