What does a overhead cam do?

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โˆ™ 2008-05-29 15:19:37

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In a car:

the cams control the opening and closing of the valves.

The fact that it's "overhead" just means that the camshaft is above the cylinders instead of alongside them. In high speed engines this is considered an advantage - because of simpler linkage between the cams and the valves.

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โˆ™ 2008-05-29 15:19:37
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Q: What does a overhead cam do?
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