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the cam shaft belongs to the engine timing system A camshaft is used to open valves at specific points on the piston travel back and forth in the cylinder, so the camshaft is syrchronized with the crankshaft, and is also driven by the crankshaft. A camshaft is a steel rod with cams on it, and cams are metal parts that are in the form of a circle which has been pulled out on one side. When the cam turns against the valve, or pushrod, in some cases, the pulled out part pushes the valve open. After it turns a bit, it is no longer pulled out of the circular shape, and the valve closes. Cams vary by the duration of the time that they will hold the valve open. High performance cams hold valves open longer, in most cases, to allow the engine to breathe better, drawing more fuel, and exhuasting the spent fuel longer.

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17y ago
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Q: What system does a camshaft belong to?
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