Over the past couple of racing seasons, the camshaft specialty companies have created dozens of new profile designs, many of which are over the .800-inch-lift mark. Along with camshaft and cylinder ...

General Motors has filed a new patent that offers a look at how the company may be rethinking cylinder deactivation for its ...

The typical four-stroke engine is made up of hundreds of parts. These parts are all designed and engineered to work together to make a prescribed amount of power, torque, engine longevity, and other ...

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 ...

Any gearhead worth his or her salt knows that whether it's a SOHC, DOHC, or OHV engine, the camshaft is considered the brain of a four-cycle internal combustion power plant. The camshaft's profile ...

This may feel like specialist information, but for serious engine builders and home mechanics with a project themselves, checking the pushrod length may be a pain in the neck, but it’s worth doing.