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qmdv · 08-23-2020, 09:52 AM

I will be putting in a set of AutoLite 425's this afternoon. 1/2 inch reach. What do you think the minimum clearance should be between the exhaust valve and the spark plug grounding lug.

08-23-2020, 09:52 AM	#23
qmdv Senior Member Join Date: Dec 2012 Location: Payette, ID Posts: 935	Re: AutoLite 216's in Offy heads I will be putting in a set of AutoLite 425's this afternoon. 1/2 inch reach. What do you think the minimum clearance should be between the exhaust valve and the spark plug grounding lug.