DOHC: Double Overhead Cam

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Designation for engines that utilize one camshaft to open the engine intake valves and another to open the exhaust valves. This optimizes valve timing for better performance. (Compare SOHC).


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  1. SOHC: Single Over Head Cam : Motorcycle-Glossary.com on February 20, 2007 3:04 pm

    [...] A single cam shaft found in the head or top of the engine that activates the valves.  (Compare DOHC). [...]

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