TwinTurbo.NET: Nissan 300ZX forum - Re: When you "port & polish" heads, what exact is done?
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Subject Re: When you "port & polish" heads, what exact is done?
     
Posted by eliZium on May 15, 2003 at 10:42 PM
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In Reply To When you "port & polish" heads, what exact is done? posted by Stickeefingerz on May 15, 2003 at 10:26 PM
     
Message Intake port entry enlargement, surface finishing and port matching.
Smooth the intake short side radii, valve guides and valve pockets.
Smooth the exhaust short side radii, valve guides and bowls.
Exhaust port and bowl polishing.
Combustion chamber polishing.
Intake manifold port matching.

or...

take pictures of them before hand, send them to me and give me some cash and then compare afterwards :) hehe

Chris
AIM Endamoniada
1995 300ZX TT Stage +
1974 260Z Stock (awaiting RB26DETT transplant)

     
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