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Re: Connecting rod? Aren't these OHC engines? (archive)

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Posted by ladislav on October 09, 2001 at 07:02:59:

In Reply to: Connecting rod? Aren't these OHC engines? posted by Henkka 750i (work) on October 08, 2001 at 23:58:09:


connecting rods? Aren't those the "pushrods" in the antique American V8 engines that use the crankshaft to operate the valves?

Pushrod engines are alive and well in the US and are still being manufactured by the thousands.

Btw, the crankshaft cannot be used to time the valves, because it spins too fast for that. A given valve operates once for every two revolutions of the crankshaft. A camshaft is necessary for that and it spins at exactly half the speed as the crankshaft.


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