TwinTurbo.NET: Nissan 300ZX forum - Five angle valve job
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Subject Five angle valve job
     
Posted by JimmyC(KY) on February 11, 2005 at 10:31 AM
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In Reply To Question please help. posted by Orange_Z on February 11, 2005 at 09:47 AM
     
Message As I understand a five angle valve job it opens and smooths the valve and the valve seat to allow more charge to enter the combustion chamber. That is the good news, great for race cars where rework and valve jobs are common. The five angle valve job makes the edge of the valve thinner and more likely to burn, or leak after extended use. No idea what sort of interval we are talking about 5K, 10K, 20K, but that they will require rework sooner than a standard valve job.


My "Z" and my "V", very different cars but both are great fun

     
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