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Old 08-16-2011, 11:38 PM   #1
Joe Blaze
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Numbers stamped onto frame rail '71 Blazer

can anyone advise what the numbers stamped in the side of the frame rail just under the drivers side floor area mean? i just saw them today while i was under there. The last digits almost look like a date.

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Old 08-17-2011, 12:35 PM   #2
Yukon Jack
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Re: Numbers stamped onto frame rail '71 Blazer

The are part, if not all, of your VIN.
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Old 08-17-2011, 01:14 PM   #3
29od1
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Re: Numbers stamped onto frame rail '71 Blazer

I don't know about the side of the frame, but the partial VIN will be stamped on top of the frame rail under the drivers side. You can't visually see it unless the tub is off or you use a mirror.

I think this may be a material spec number for the raw material before forming?
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Old 08-17-2011, 02:20 PM   #4
Joe Blaze
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Re: Numbers stamped onto frame rail '71 Blazer

Mystery solved. I googled the number, and it came back with a post on this board from 2002 by Huck, with the same partial number on his frame.

http://67-72chevytrucks.com/vboard/s...ad.php?t=14308

It looks to be a part number related to the frame rail.
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