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 ...

Here's how an overhead valve engine works, according to Cars.com: [T]he valves, which open and close to let the air-fuel mixture in and out of the cylinders, are above the camshaft, which is in ...