Cam lobes come in different shapes and sizes to control how much a valve opens, and for how long. A four-camshaft configuration increases power. With more valves, more intake and exhaust gases can ...

The compound is heat activated so that during engine operation, a high-friction area such as the spot between a flat-tappet-style valve lifter and the camshaft lobe will create enough heat through ...

On episode 19 of Engine Masters, David Freiburger explains cam lift, duration, lobe separation angle, and installed centerline. Next, we test a low-rpm cam and a high-rpm cam in the same engine to ...