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An overhead camshaft (OHC) engine is a piston engine in which the camshaft is located in the cylinder head above the combustion chamber. [ 1 ] [ 2 ] This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion chamber in the engine block .
The head, camshaft carriers, and timing chain cover are aluminum, and the sump is die-cast aluminum. [1] Although cogged timing belts were becoming popular among contemporary overhead cam designs, the Quad 4 uses timing chains to drive both camshafts, as well as the water pump. Engine accessories are driven by a single-plane serpentine belt.
All Volkswagen Group V8 gasoline engines are constructed from a lightweight, cast aluminum alloy cylinder block (crankcase) and cylinder heads. They all use multi-valve technology, with the valves being operated by two overhead camshafts per cylinder bank (sometimes referred to as 'quad cam').
The valvetrain layout is defined according to the number of camshafts per cylinder bank. Therefore, a V6 engine with a total of four camshafts - two camshafts per cylinder bank - is usually referred to as a double overhead camshaft engine (although colloquially they are sometimes referred to as "quad-cam" engines). [14]
The Suzuki Quadsport LT230S (commonly referred to as the LT230 and also the "little brother" to the LT250R) was the first sport variety all-terrain vehicle sold in 1985.. It is powered by an overhead cam 2-valve 229 cc ("230") 4-stroke single-cylinder engine.
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OHC is a type of piston engine in which the camshaft is located in the cylinder head above the combustion chamber. OHC may also refer to: Ocean heat content; Order of the Holy Cross, a monastic community; Outer hair cell, a vertebrate body cell; Ontario Housing Corporation
Chinese-American activist Corky Lee was a self-taught photojournalist who chose a camera as his tool for social change, fighting for his deeply-held belief that America was at its best when it ...