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NOS 216 head condition
#1436634 Sun Jan 09 2022 04:50 AM
Joined: Jun 2008
Posts: 1,700
S
'Bolter
I was given a 216 head said to be NOS. It’s covered in surface rust after being stored indoors 70+ years. If it were to be installed would it require any major machine shop work or could it simply be cleaned up with a wire brush and a bit of light sandpaper? Might be a couple of dirtdauber nests that would need cleaning out too.

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Chuck
1950 Chevy 1/2 ton (all original)
1951 Chevy 1/2 ton (future streetrod)
1941 Chevy coupe
1938 Chevy coupe streetrod
Re: NOS 216 head condition
Spotbiltxo #1436639 Sun Jan 09 2022 05:33 AM
Joined: Feb 2004
Posts: 24,252
H
Kettle Custodian (pot stirrer)
I'd give it a good cleanup and ask a local machine shop to do a magnaflux inspection. Even though it's supposed to be "new", 216 heads were notorious about getting heat cracks.
Jerry


"Freedom's just another word for nothing left to lose"
Kris Kristofferson

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!

WAG MORE- - - - - -BARK LESS!
Re: NOS 216 head condition
Spotbiltxo #1436749 Sun Jan 09 2022 11:48 PM
Joined: Mar 2010
Posts: 10,076
5
'Bolter
The machine shop should be able to clean that right up. The one I use disassembles it, puts in their engine block "washing machine" before doing any testing. Comes back ready for paint.

Re: NOS 216 head condition
Spotbiltxo #1436786 Mon Jan 10 2022 05:29 AM
Joined: Jun 2008
Posts: 1,700
S
'Bolter
Jerry, I’d have never suspected a cracked NOS head! It’s never been bolted onto a block! Thanks though for letting me know it’s possible.
I’ll ask a machine shop how much they would charge to give it a good cleaning.

Thanks


Chuck
1950 Chevy 1/2 ton (all original)
1951 Chevy 1/2 ton (future streetrod)
1941 Chevy coupe
1938 Chevy coupe streetrod
Re: NOS 216 head condition
Spotbiltxo #1436788 Mon Jan 10 2022 05:41 AM
Joined: Feb 2004
Posts: 24,252
H
Kettle Custodian (pot stirrer)
If you're sure it's never ben run, that's a different story. Some folks have a habit of confusing the terms "very low mileage" with "new old stock".
Jerry


"Freedom's just another word for nothing left to lose"
Kris Kristofferson

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!

WAG MORE- - - - - -BARK LESS!
Re: NOS 216 head condition
Spotbiltxo #1436797 Mon Jan 10 2022 02:14 PM
Joined: Dec 2017
Posts: 1,112
D
'Bolter
That and you dont know haw that head was handled over the years. Was it stored standing up, did it ever fall over and possibly crack? I know its nos, but if that is rust on those springs and retainers, they are not worth saving. Same for the valves. If they are really rusty, they will likely need replacement. Frankly, to use that head, if it passes magnaflux inspection, it will need a standard going over just like any other rebuild. On the other hand, you have a head that is not full of trash and has not been messed with so should build rather nicely.

Last edited by Dragsix; Mon Jan 10 2022 02:14 PM.

Mike
Re: NOS 216 head condition
Spotbiltxo #1437284 Fri Jan 14 2022 09:11 PM
Joined: Dec 2018
Posts: 1,450
F
'Bolter
Spotbiltxo Would put in better exaust valves,guides should be fine,for real long term service will need hard seats .


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