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Old 02-02-2009, 10:57 PM   #27 (permalink)
dremd
EV OR DIESEL
 
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Quote:
Originally Posted by MetroMPG View Post
I think it's a zero sum situation, because there'd always be another lobe resisting rotation while one lobe is aiding. The net effect is just a lot of friction on the cam. Moreso without rollers (as is the case in the Suzuki motor).
I think that depends somewhat on the number of Cylinders (and arraignment

For example I was adjusting valves on a 7m (I6) last week and it "feels" easier to turn the cams than a 5sfe (I4). Very very not scientific, I'd guess it is a case of smoother, not less energy, just thinking . . . .
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