Thread: knock noise

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Originally Posted by rspears

That's the right thing to do, but I'd be wondering about the cam lobe if the rod was that tight. Maybe you'll get lucky and the new rod is all you need and the lobe is fine. Next oil change check for fine metallic dust in the old oil.

Closely inspect the cam end of the rod for galling at the cam. If the cam lobe has started to go away, there is no saving it. Only fix at that point is to bolt a plate over the pump mount and install an electric pump.
If the rod end looks shiny with no galling, you may have gotten lucky.

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