Pushrods convert the vertical motion of the lifter from the camshaft lobe into valve movement. A V8 engine takes advantage of that by centrally locating a single camshaft in the middle of the engine ...

Rocker arms made of different materials — like steel or aluminum — can offer separate drawbacks and advantages based directly on the differences between those materials. We'll get into the details ...

The debate over the optimum rocker arm ratio has dragged on since the invention of the pushrod V-8. Even though Chevrolet made the decision easy for us when it engineered the small-block to run around ...

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 ...

To call the Crane Cams shaft-mounted "Quick-Lift" design rocker arms new would not be entirely accurate. To say they have burst onto the scene and have created a lot of excitement among ...