ri702bill 9,347 #1 Posted yesterday at 12:42 PM (edited) Both the valves on the C81 I acquired showed wear evenly around the face. The seats were in excellent condition. I always chuck up valves in the lathe and spin them to see if they are either straight or bent. I have had good success resurfacing valves with moderate wear using the lathe and revolving mounted stones - first coarse then fine. the key is to use a relatively low speed on both, and counter-rotating the stone to the rotation of the lathe. The proof in in the finished lapping in..... Edited yesterday at 12:43 PM by ri702bill 3 3 Share this post Link to post Share on other sites
ri702bill 9,347 #2 Posted yesterday at 01:42 PM Thanks... This is NOT something that can be done using a cordless drill and a Dremel!!! I practiced and ruined a couple before getting it right... Share this post Link to post Share on other sites
