difference between single and dual cam?
#3
#4
difference between single and dual cam?
Not absolutely sure but the DOHC motors dont usually use rocker-arms to move the valves. The cam lobes effectively ride right on top of the valve stems. This makes the action to push the valve more efficient and less power lost moving mechanical rocker arms. Overall, it makes for a more efficient process.
I think ? If i'm wrong, please educate me !!
I think ? If i'm wrong, please educate me !!
#7
difference between single and dual cam?
To my understanding, an sohc has slightly less cam-drag than a dohc. the difference comes from the sohc running all valves from one cam but making up power by the extra leverage on the valves provided by the rocker arms. The DOHC lacks the leverage of the absent rocker arms. However, with the leverage provided by the large cam sprockets, any difference in power is minimal and virtually undetectable. As far as a difference in power, there is virtually no discernable variance. This is how I have come to understand it at least.
~HoundDog
~HoundDog
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#8
difference between single and dual cam?
The double cam units that eliminate rockers are much more efficient. It eliminates two wear spots, two noise making actions, (the rocker arm fulcrum and rocker arm-to-valve tip connection). That rocker arm swinging back and forth takes energy, energy better spent moving tires. Eliminating moving parts is always a good thing. And, the cam lobe over bucket on valve much less likely to get out of adjustment. Although granted a single cam/rocker arrangement you only need to drive one cam, but that one cam still needs to actuate all the valves via rockers. My $.02.
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