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Message: [QUOTE="Dantheman, post: 602478, member: 686"] Did it have a miss or was it just knocking? You can tap the valve stem down with a hammer handle and listen to the sound. each type of valve (intake or exhaust) will have a similar sound. If it is very different then the head is a boat anchor. This is not a test that will tell if it is perfect but rather a quick test to identify a problem. If the valve feels sticky when tapped it is likely bent. I would think the rocker arm or push rod would be bent before the valve though. I dont see any obvious valve marks on the piston either. How do you know the connecting rod is not bent? [/QUOTE]

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