TwinTurbo.NET: Nissan 300ZX forum - exhaust valve cover leaks air boost leak test
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Subject exhaust valve cover leaks air boost leak test
     
Posted by joey4t5 on August 04, 2012 at 4:01 PM
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Message 90 Z-TT: runs fine, no smoke ect. but during a boost leak test my exhaust valve covers seem to be bleeding off the air. is there any performance downfalls to them leaking? slow spool or rich/lean? could it mean bigger issues? valves/rings, ect...? How to confirm/should i worry about fixing them until its convenient?

     
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