Quote:
Originally Posted by aureliusmax
Not sure exactly how to explain your results but seems like adding the oil was sealing the valve seats ?
I feel like you should take the head off and get it pressure tested and rebuilt.
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Yeah maybe the oil is covering up a problem. But, again, this is my first go at troubleshooting this kind of thing.
Just cleaning the valve seat surface as much as I was able to seemed to take care of a majority of the problem, and explains the audibly smooth running I heard before I tore in.