valve guides - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Michael_e · 07-09-2014, 02:22 PM

Hope this is in the right place. I want to rebuild a 283 for my 1950 panel truck and I want to do as much as possible of the work myself. I got a set of sbc heads that I've disassembled and car wash cleaned. They look to be in decent shape except the valves are a little loose. I believe a new set of guides are in order. I will probably have a machine shop install the guides but I would like to ream them myself. The valves are 11/32 dia or .3437. How much clearance should I use? Maybe ream the guides to .3447?

Thanks,
Mike

07-09-2014, 02:22 PM	#1
Michael_e Registered User Join Date: Feb 2014 Location: Beloit, Kansas Posts: 24	valve guides Hope this is in the right place. I want to rebuild a 283 for my 1950 panel truck and I want to do as much as possible of the work myself. I got a set of sbc heads that I've disassembled and car wash cleaned. They look to be in decent shape except the valves are a little loose. I believe a new set of guides are in order. I will probably have a machine shop install the guides but I would like to ream them myself. The valves are 11/32 dia or .3437. How much clearance should I use? Maybe ream the guides to .3447? Thanks, Mike

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