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Old 07-21-2008, 09:40 PM
Brian Carlton Brian Carlton is offline
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Join Date: May 2002
Location: Blue Point, NY
Posts: 25,396
Quote:
Originally Posted by Cervan View Post
Why would this rule out the bottom end?... All he did was check to see if the injector was knocking, not if the rod bearings are coppered? The only other thing i can think it would be is a collapsed lifter, wich would go with the low oil theory as well....
Without the combustion pressures, the noise should be significantly reduced, if not eliminated. The noise exists at 1/2 engine speed...........so, either it's valve train related or combustion related on the bottom end.

I've discounted the possibility of an injector knock..........it appears to be too harsh for that situation.
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