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Dave Noll · 12-23-2023, 02:13 AM

Question: it's not a big deal but it's nagging at me. I understand why an egg shaped valve head ( 2 high spots showing on the indicator in 1 rotation) would be bad. But why would a valve head not concentric to the valve stem by .0015 be a problem if the valve stem has .003 clearance to the guide?

12-23-2023, 02:13 AM	#5
Dave Noll Senior Member Join Date: Nov 2007 Location: Div. 6, Eastern, WA Posts: 710 Likes: 2,681 Liked 240 Times in 112 Posts	Re: Run out on valves Question: it's not a big deal but it's nagging at me. I understand why an egg shaped valve head ( 2 high spots showing on the indicator in 1 rotation) would be bad. But why would a valve head not concentric to the valve stem by .0015 be a problem if the valve stem has .003 clearance to the guide? __________________ Dave Noll, EF/S ,?/SA 6526