overhead camshaft

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overhead camshaft

n
(Automotive Engineering) a type of camshaft situated above the cylinder head in an internal-combustion engine. It is usually driven by a chain or a toothed belt from the crankshaft and the cams bear directly onto the valve stems or rocker arms
References in periodicals archive ?
The sound of the straight six, twincam engine revving at more than 8000rpm is something all petrolheads should hear.
The non-circular chainring shape was described as a skewed ellipse or a twincam, where the major and the minor axes are not perpendicular (Figure 1).
Darker and lower than the original icon of fat-custom style, the 2010 Fat Boy' is a Softtail' motorcycle that features a counter-balanced TwinCam 96B engine, 6-speed cruise drive transmission and new Helical-Cut 5th gear.
The 1969 S2 version was a little better but it was not until 1971 that the Europa got on the fast track with the twincam engine it deserved.
My test car was powered by a four-cylinder, 16 valve twincam petrol engine which can achieve more than 120mph and nearly 39mpg on the combined circuit.
MG's 1958 MGA TwinCam was also popular with many officers.
Bikers will also be attracted to the TwinCAM 96 engine, which was first introduced in 2007 on the majority of Harley's Models.