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Re: [GMCnet] Mismatched Heads Again [message #322711 is a reply to message #322709] Sat, 26 August 2017 22:48 Go to previous messageGo to previous message
Carl S. is currently offline  Carl S.   United States
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
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Jim, These were good cores with hardened valve seats. Larry's engine & Marine (Tucson) put them together with new SS valves, guides, and springs. They had been milled about .010. The new gaskets were thicker than that plus the stock metal gaskets.

Carl Stouffer '75 ex Palm Beach Tucson, AZ. Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
 
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