What grit to use for lapping the valves - Pelican .
Grit depend on the condition of the valves and seats. The worse they are, the coarser you go to begin with. Basically, if you need to go with medium or coarse grits, get the seats and valves just to the point of smooth and even then go to the fine lap compound and give it a little work to make it nice. _____ 1968 911S "Leona" Air goes in and out, blood goes round and round, any variation on ...
GET PRICE >>