Quote:
Originally Posted by MetroMPG
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).
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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 . . . .