How do cams work?

Answer 1

The Camshaft has egg shaped lobes on it and rotates by means of a belt or

chain. And the Job of the Camshaft is to open and close Engine Valves at a specific timing.

The application uses are on - Push Rod Motors also Called in Block Camshaft,

O.H.C - Over Head Camshaft which can be S.O.H.C - Single Over Head Camshaft and

D.O.H.C. - Dual Over Head Camshaft also Called Quad Cam. Regardless of the

setup they all share the same Purpose to open and close valves.