Black and Decker valve grinder. I have an old B&D valve grinder that I still use. I need to grind some Ford diesel valves and the grinder is not marked for 37.5 degrees. What is my best option for marking the plate. I measured it as being 1.5 inches from 30 degrees to 45 degrees. My thoughts are to use a .75 standard against the grinder head ...
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