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Old 01-02-2012, 06:42 PM   #28
bobbyn362
 
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Join Date: Sep 2009
Location: eastampton
Posts: 103
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is it a low pitched knocking or tapping? it could be a bent pushrod. if you pull your valve covers you can feel all the push rods and rockers and if it s a wiped out lifter or lobe on your cam that can eliminate the whole valve train in ten minutes.
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