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 ?
3-litre overhead camshaft petrol engine which provides an acceleration of 0 to 60mph in 11.
The company took an existing quad bike, the US Arctic Cat ATV, and modified it by installing a twin-cylinder 686 cc single overhead camshaft, liquid cooled, supercharged diesel engine developing 24 hp and a 52 Nm of torque, coupled to an automatic CVT transmission.
A rigid three-section design ensures stability and effective shock absorption, while a capable M13A Double Overhead Camshaft four-cylinder petrol engine makes for quick response and high fuel efficiency.
This 16-valve twin overhead camshaft unit not only brings keen fuel efficiency to the 159 but lowers CO emissions to 189g/km.
The all-aluminium R-Engine comes fitted with a 16-valve dual overhead camshaft driven by a steel timing chain.
9-litrewith twin overhead camshaft and four valves per cylinder, though the important bit is thatwith 140bhp available at 4,000rpm, it has a torque - or pulling power - figure greater than that generated by the awesome 3.
The overhead camshaft is mounted in the single-piece cylinder head that is isolated from the block by a steel gasket, all of which contribute to structural stiffness.
The secret is its 16-valve double overhead camshaft engine, which achieves more pulling power than that of any other car of similar size in its class.
2976cc, 220bhp, V6, double overhead camshaft engine drives all wheels through six-speed manual transmission.
Expedition's heart is appropriately a modern V-8 engine, with one overhead camshaft for each bank of cylinders - unlike the GM competition, which is holding costs down by using the post-World War II technology of push rods, rockers, overhead valves and big-bore, short-stroke cylinder design.
Milwaukee-Eight will have one overhead camshaft and four valves per cylinder, rubber mounting and an internal counter balancer, redesigned cylinder heads and exhaust system.
Boasting a twin overhead camshaft, direct injection, variable valve timing and turbocharging, it responds to the lightest touch on the accelerator with an eagerness of a cheetah spotting a wounded antelope.