NSX V6-3.2L DOHC (2001)
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If it is too low (closer to the valve edge), you must make a second cut with the 30° stone to move it up, then one more cut with the 45° stone to
restore seat width.
NOTE: The final cut should always be made with the 45° stone.
7. Insert intake and exhaust valves in the head and measure valve stem installed height.
Valve Stem Installed Height (Intake and Exhaust):
Standard (New): 41.55 - 42.35 mm (1.6358 - 1.6673 inch)
Service Limit: 42.435 mm (1.6707 inch)
8. If valve stem installed height is over the service limit, replace the valve and recheck. If still over the service limit, replace the cylinder head; the
valve seat in the head is too deep.
