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Roller chain and sprocket The sketch of roller chain, Leonardo da Vinci, Codex Atlanticus. Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles.
The crankshaft drives the camshaft (via a timing belt, timing chain or gears), which in turn actuates the intake and exhaust valves. [1] These valves allow the engine to inhale air (or an air/fuel mixture) and exhale the exhaust gasses. [2] The most common devices to transfer the drive are toothed rubber belts, metal timing chains or a set of ...
The 420G is a 6-speed manual transmission manufactured by Getrag.It is designed for longitudinal engine applications and for use on engines producing up to 499 N⋅m (368 lb⋅ft) of torque.
A novel mechanical feature that the 420/Sovereign shared with the 420G was Marles Varamatic power steering, [4] which was offered as an option on the 420 but was standard on the Sovereign. Built by Adwest Engineering Co Ltd of Reading, England, it was a "cam and roller" system in which the non-constant pitch of the cam resulted in a variable ...
However, these generally have the roller at the point where the cam lobe contacts the rocker, rather than at the point where the rocker contacts the valve stem. Friction may be reduced at the point of contact with the valve stem by a roller tip. A similar arrangement transfers the motion via another roller tip to a second rocker arm.
Front Axle. GM 1967-1976 K5(Blazer/Jimmy)/K10/K20 (Passenger side) Some 1977 K5 Blazers came with Dana 44s in the front, others came with a Corporate 10 bolt solid front axle. Dana 44s were also used as front axles in 4x4 converted full size Chevrolet and GMC vans by Pathfinder Equipment Company from 1973 to 1989. Dodge
The inlet camshaft position is advanced 25 degrees, thus increasing valve overlap. It remains in this advanced state until about 5000 rpm when the solenoid switches off, and the variator piston returns the valve timing to its natural state. The variable timing increases the engine's mid-range flexibility and reduces emissions.
VCT is used in Ford's Triton 5.4L 3-valve V8 engine, the Australian Barra 182 and 240 Inline-6s, and Ford's 4.6L 3-valve V8 engine used in the 2006-2010 Ford Explorer and 2005-2010 Ford Mustang GT. The 2.0L Zetec inline-4 used in the 1998–2003 Ford Escort ZX2 , Ford Contour, and 1999–2002 Mercury Cougar used VCT on the exhaust camshaft.