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Old 02-05-2011, 03:46 PM
mopar schmaltz mopar schmaltz is offline
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The noise you hear when you start the engine after it's been sitting for a while is lash in the valvetrain; once the Lifters pump up the clearance is reduced and the noise goes away. Given the amount of debris that came out of the engine I wouldn't be suprised that an oil passage becomes blocked and a Lifter or two loose pressure. This is consistant with some of your problem discriptions.
I would run a motor oil cleaner thru the engine and then drop the pan again......you'll likely find more debris. You may need to do this a couple of times before the problem goes away.
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