Quote:
Originally Posted by southfork
If a used "B" cam has a little rust pitting on the journals, will it necessarily have to be turned down by a machinist? Extra slop (over. 005) would causes tapping or knocking someone wrote. Would a minor amount of rust pitting on the cam journals would be enough reason to reject spending $50 for a used "B" cam? Yes, a Stipe 330 cam would be great, but how much do they cost in comparison to a $50 used cam?
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IMHO, a
little pitting shouldn't be a problem. After all, the job of oil is to prevent the two surfaces coming into contact. No contact, no problems.
A while ago, I had an A crankshaft that had standard journals but had been sitting for years, so long that there was a line of corrosion where the main bearing cap met the block. After asking around, I decided to leave it for the reason I have outlined above.