[MV] Valves: to lap or not to lap

David (davejodi@epix.net)
Tue, 26 Oct 1999 15:21:17 -0400


I am reassembling my M38A1 engine. The machinist recommended to "lap
the valves in good". Now my question is when do I know when I'm done
lapping? I'm using a hand lapped and Napa grease based silicon grit
compound. How long can I expect this to take? Any advice is welcome.


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