overhead cam

English

a typical overhead cam design of the dual-camshaft type

Noun

overhead cam (plural overhead cams)

2. (automotive) A type of cam (and camshaft) in an internal combustion engine, and thus also (metonymic) the type of valvetrain design, the type of engine that uses it, or an instance of such an engine; this design has the inlet and exhaust valves in the cylinder head and has the camshaft(s) up above the valves too.

   Synonym: OHC (initialism)

   Hyponyms: SOHC, DOHC

   Coordinate terms: overhead valve, OHV; side valve, flathead, L-head

   This engine has an overhead cam.

   This engine is an overhead cam model.   This engine is an overhead cam.

Derived terms

• DOHC
• OHC
• SOHC