Quote:
Originally Posted by D.B
It could be a very long story describing how flat tappet cams are made but the short of it is the cam lobe is machined to help spin the lifter in the lifter bore. If the lifter stops turning in its bore then the cam lobe and lifter bottom will destroy itself.
Forgot to mention that the offset lobe to lifter bottom is what helps turn the lifter. As the cam lobe goes up and down the offset lifter will turn.
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Thanks D.B. for that very understandable explanation…so all is good and nothing to worry about! With 12K to 14K miles on the engine, it makes sense that it’s working as it’s supposed to…otherwise the wear areas would have destroyed themselves by now, right?
Woody