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I`m about to buy a Chet Herbert cam.Its named "B6PJ" and the guy who has it, told me its a Mec roller cam and he has driven it as one with mec rollers.
I looked it up on the net and i found out that its actually an Hydralic roller cam :eek:
Is there an differens between the Mec roller cam and a Hyd roller cam,or are they interchangable?
Any thoughts on this one is gold worth to me... :cheers:
I believe the distinction being made is between a solid roller and a hydraulic roller. The hydraulic roller would obviously use an hydraulic lifter and the mechanical would use a solid roller. It is my understanding that the solid will allow the engine to rev higher but does wear the valve train more quickly than the hydraulic and the solid roller will require more frequent valve adjustment.
As I understand it. It wouldn't matter what kind of roller (H or S) you use on a H-roller cam. The only real difference is how steep the ramps are ground and of course the total number of degrees that the cam hold the valve at max lift.
Never put a set of H-rollers on a cam designed for solid rollers