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Patrick L. · 12-03-2019, 08:56 AM

Specs for a margin can be tough to define. Valves come in all sizes. But a good rule of thumb, if it ends up being 50% of that on a new valve then I trash it.

12-03-2019, 08:56 AM	#4
Patrick L. Senior Member Join Date: May 2010 Location: Largo Florida Posts: 7,225	Re: Valve Grinding Specs for a margin can be tough to define. Valves come in all sizes. But a good rule of thumb, if it ends up being 50% of that on a new valve then I trash it.