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| GoAuto glossaryOverhead Camshaft (ohc)An engine with the camshaft(s) located directly above the cylinders and valves. Almost every car built today has an OHC or DOHC (see ‘Twin-cam’) engine. | Glossary A to ZStuck on a word or some strange terminology? Select the word in the list to become an automotive guru for your friends. Select a term or phrase |