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BRENT in 10-uh-C · 01-07-2018, 07:37 AM

Well, the interference angle should be 44 degrees, and you need the special mandrel that takes the place of the guides during the stoning process. The downside to using the two-piece guide is getting concentricity on the seat.

01-07-2018, 07:37 AM	#2
BRENT in 10-uh-C Senior Member Join Date: May 2010 Location: Eastern Tennessee Posts: 11,534	Re: Valves Well, the interference angle should be 44 degrees, and you need the special mandrel that takes the place of the guides during the stoning process. The downside to using the two-piece guide is getting concentricity on the seat. __________________ . BRENT in 10-uh-C . www.model-a-ford.com ...(...Finally Updated!! ) .