Not sure if this explains your numbers Jim but here's a quote from an article in Auto Hobby Digest:
"For 1967 and earlier cars, the fender tag has a "SO NUMBER" that is stamped into the radiator core support, usually on the driver's side, either on top (under a sticker, sometimes,) or facing rear. This stamped number will usually contain the model year and the assembly plant in addition to the "SO NUMBER". This stamped number ties the fender tag to the the body. Unless the core support was replaced in an accident repair, this can help weed out a misplaced fender tag."
Here's a link to the whole article: http://www.autohobbydigest.com/documentation-1.html Dan----- Original Message ----- From: "Jim Altemose" <jaltemoose@xxxxxxxxx>
To: <1962to1965mopars@xxxxxxxxxx> Sent: Thursday, August 07, 2008 6:24 AM Subject: Re: VIN / trunk stamping?
I'm still a little confused on how to interpret the radiator support and trunk stamping. My 63 Polara has "M 37 1" very clearly stamped on the radiator support. But the fender tag says: 1001 0341 642 655 MM1 and there's nothing in my VIN that would suggest a "37". Thanks. - Jim Jim Altemose, Long Island, NY '63 Polara 500 (Max Wedge) '63 Polara 500 (383) '65 Belvedere I (Street Wedge) '71 Bronco
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