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3 angle valve grinding??
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Posted by Lynn Kasdorf on November 12, 2004 at 13:03:22 from (152.163.101.7):
I have seen various references to 3 angle valve seat grinding. Does this just mean that the valve seats have 3 facets rather than one? Why is this better? I'm used to the old technique of valve compound on the valve seats and grinding them with a suction cup stick by hand. I'll be doing the head on my 1940 JD B at some point, and woudl like to learn about this 3 angle stuff. Googling has not turned up anything yet.
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