TwinTurbo.NET: Nissan 300ZX forum - Time for another valve job I guess
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Subject Time for another valve job I guess
     
Posted by ttsmokin on July 02, 2013 at 11:03 PM
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In Reply To seems like a valve problem to me posted by aliaZ on July 02, 2013 at 10:07 PM
     
Message Does the 2nd ring wear pattern concern you or the bearing wear?

Upon doing some research, some 2nd piston rings may use a taper design which would explain the top side not being worn as much. Makes sense if we have tapered scraper rings?

     
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