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[5] [6] Replacement of the engine's water pump at the same time is often recommended, since the water pump is also subject to wear and easily accessed during the replacement of the timing belt. Timing belts are typically located in front of the engine and are often behind a cover for protection against dust and debris.
A camshaft operating two valves. A camshaft is a shaft that contains a row of pointed cams in order to convert rotational motion to reciprocating motion.Camshafts are used in piston engines (to operate the intake and exhaust valves), [1] [2] mechanically controlled ignition systems and early electric motor speed controllers.
In this article variable duration camshaft refers to a camshaft with a design that is intended to replace a conventional camshaft in a cylinder head and operates the valves through conventional followers. Further qualifications are: The duration range is step-less and continuous.
A replacement automobile engine is an engine or a major part of one that is sold individually without any other parts required to make a functional car (for example a drivetrain). These engines are produced either as aftermarket parts or as reproductions of an engine that has gone out of production.
Though a change of camshaft would delay production, Pontiac decided to change camshaft, employing one with identical timing to the 744 camshaft, which had been used in the 400 Ram Air(aka Ram Air III) engine with manual transmissions. As a result, peak horsepower dropped from 310 to 290, though torque increased from 390 to 395 lb. ft.
The cam can be seen as a device that converts rotational motion to reciprocating (or sometimes oscillating) motion. [clarification needed] [3] A common example is the camshaft of an automobile, which takes the rotary motion of the engine and converts it into the reciprocating motion necessary to operate the intake and exhaust valves of the cylinders.
14. Arizona State. Cam Skattebo is gone but there’s a lot to like from Kenny Dillingham’s second season at ASU. QB Sam Leavitt is back, and so is leading WR Jordyn Tyson.
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 .