DOHC: Double Overhead Cam

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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