Well its a 248 engine (from the engine number by the distributor) and its a
long wheelbase 1/2 ton (by the model 102 on the door post). But it's
probably not the original engine as that would have been a 228, according to
my owners manual. But the dealers in those days probably weren't above
dropping a bigger engine if that's what the buyer wanted. The only
difference in the two is 5/32" bigger bore in the 248; externally the are
identical.
Unfortunately the GMC data plates don't provide build date as does
Chevrolet. I don't know the significance of the "S" in the chassis number,
but my 51 shortbed half-ton has a "P" ; I always assumed this stood for
"Pontiac" (Michigan)
JAck / Winter Park FL
-----Original Message-----
From: Carl Cooley <carcooley@webtv.net>
To: oletrucks@autox.team.net <oletrucks@autox.team.net>
Date: Saturday, April 03, 1999 3:33 PM
Subject: [oletrucks] Can anyone HELP!
>Hi; Can anyone with the right book help me out? I have a 51 GMC
>longbed pickup which I bought about 6 years ago from a guy that brought
>it up here to Ohio from Oklahoma. Haven't done much with it yet, with
>putting a daughter through college (and a wedding) and moving to an old
>house that needed a lot of work.
> Now to my questions. On the engine by the dist. is a number. It is
>C24847169 On the post of the door is Serial Number 102-22-S-2763 . I
>beleive this is the original engine. Truck is solid and unbutchered
>except for a now old coat of paint. Also the interior was gone from the
>heat in the southwest. I have the inside redone. If anyone can give me
>any informationon the date and location of the build of my truck I'd
>appeciate it. Thanks
>
>Carl 51 GMC ( Got it out and ran up and down the driveway today!)
>
>oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
>
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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