Real Simple Question

Old 11-18-02, 10:46 AM
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Real Simple Question

What does SOHC and DOHC refer to (talking about engines obviously)? What is the difference between the two? Are there othere types? Thanks!
Old 11-18-02, 10:48 AM
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SOHC=single Overhead cam (1 camshaft)
DOHC=dual overhead camshaft (2 camshafts).

That's the "layman's terms" .
Old 11-18-02, 12:37 PM
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And the other common type would be OHV - overhead valve (cam is in block rather than the head and uses pushrods to actuate the valves).

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