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Real Simple Question

seancashmere's Avatar

Join Date: Aug 2002
Posts: 279

11-18-02, 09:46 AM   #1  
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!

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Joe_F's Avatar
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11-18-02, 09:48 AM   #2  
SOHC=single Overhead cam (1 camshaft)
DOHC=dual overhead camshaft (2 camshafts).

That's the "layman's terms" .

the_tow_guy's Avatar
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Join Date: Feb 2001
Posts: 11,474

11-18-02, 11:37 AM   #3  
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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