Rebuild Date????Crack the Code
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Laughing Gas
Joined: Feb 2007
Posts: 797
Likes: 3
From: Cape Coral FL
Rebuild Date????Crack the Code
Hi All, and happy Thanksgiving.
My truck has a 239 flathead that I believe was rebuilt long ago. I am trying to figure out when? I read somewhere that Ford re-builders sometimes re-stamped the engine build date code found on the top machined surface of the block. I think that the Twin Cities re-builder of my engine did that because the stamped code doesn't make any sense. Here are some pictures. Maybe some of you Ford parts guys can help me with this.
Although it is hard to read in the second picture the stamping is clear,
it is C 2 W
The first picture shows a decal on the left cylinder head.
The last picture is a data plate riveted to the block near the coil.
<CENTER>
</CENTER>
My truck has a 239 flathead that I believe was rebuilt long ago. I am trying to figure out when? I read somewhere that Ford re-builders sometimes re-stamped the engine build date code found on the top machined surface of the block. I think that the Twin Cities re-builder of my engine did that because the stamped code doesn't make any sense. Here are some pictures. Maybe some of you Ford parts guys can help me with this.
Although it is hard to read in the second picture the stamping is clear,
it is C 2 W
The first picture shows a decal on the left cylinder head.
The last picture is a data plate riveted to the block near the coil.
<CENTER>
Thread Starter
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Laughing Gas
Joined: Feb 2007
Posts: 797
Likes: 3
From: Cape Coral FL
This link provides some info on the code, but my engines code for the year(last character) doesn' work because it is a W
http://flatheaddrag.com/birthday.html
http://flatheaddrag.com/birthday.html
Lead Driver
Joined: Oct 1999
Posts: 6,777
Likes: 553
From: Kalispell, MT
Most info on rebuilt engines indicates the rebuilder, factory or aftermarket, ground the original date code off. I've never seen or heard of a rebuild with a assembly date still on the intake flat, but there's a first time for everything..........
I have a hunch only the rebuilder knows what C2W stood for.
I have a hunch only the rebuilder knows what C2W stood for.
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Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
C could stand for March. 2 for the day: March 2nd.
In Ford production date codes, C is the third month. (Example: '65 Mustang production date: 02C = March 2nd, 1965)
The W could stand for the size of the parts (.030 etc) installed, or an assembly number. It could also be an employees code letter, the guy who did the work.
In Ford production date codes, C is the third month. (Example: '65 Mustang production date: 02C = March 2nd, 1965)
The W could stand for the size of the parts (.030 etc) installed, or an assembly number. It could also be an employees code letter, the guy who did the work.
Last edited by NumberDummy; Nov 22, 2007 at 03:11 PM.
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