Quote:
Originally Posted by Schurkey
Is the circle on the lifter bottom in the metal, or is there some lube residue making it look worse than it is? I've seen circular wear patterns on lifter bottoms before, but never one that looked like that.
The mark on the cam lobe looks like the beginning of the clearance ramp. There'd be little spring pressure there.
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It's in the metal but it's pretty smooth as in can't catch a nail or feel it.......