What are the Specialized Camshaft Functions?

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Specialized Camshaft Functions:

Timing is vital. Valves must open and shut at specific intervals concerning cylinder position. As an example, as the cylinder is coming to the highest dead center (TDC) on the exhaust stroke, the camshaft is opening the intake valves and shutting the exhaust valves. At the identical time, the cylinder may be reaching TDC on the compression stroke, therefore the camshaft would go away those valves closed.

Camshafts fitted with variable valve timing (VVT) use hydraulic actuators to advance or retard valve timing about the crankshaft angle. VVT enables high-speed efficiency or low-speed power.

Using specialized variable valve lift (VVL) camshafts and computer-controlled solenoids or hydraulic actuators, the ECM can select between two valve lift options, looking at driver demand.

On vehicles with a direct mechanical system, some diesel engines, and most gasoline direct injection engines, the high-pressure fuel pump (HPFP) is driven by a lobe on one amongst the camshafts.

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