TwinTurbo.NET: Nissan 300ZX forum - soft valves
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Subject soft valves
     
Posted by aliaZ on August 06, 2011 at 10:57 AM
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Message Doing a turbo swap for a guy, and decided to do a compression check with two cylinders reading 130, vs 170 on the others. Leakdown test revealed a problem with the valves:

Sunken into the head:

Soft valves are identified by the "30" on the valve head, vs "EG" for the updated valves. This Z had a jspec transplant...


     
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