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Old 07-30-2024, 10:06 AM   #1
3QTRTONS
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vin ?

I'd like to get an accurate handle on this...
My VIN plate is as follows:
C - Chevrolet (1972 only)
C - 2wd
E - 8 cylinder
6 - 60 series
1 - Conventional Cab?
6 - Check #?
V - Plant location?
104528 - (4,528th unit built)
Any input is welcome. This plate is about it for identifiers.
[btw, the vin is NOT from truck in my avatar]
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Last edited by 3QTRTONS; 07-30-2024 at 10:08 AM. Reason: clarity
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Old 07-30-2024, 10:53 AM   #2
Keith Seymore
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Re: vin ?

We used to carry these VIN cards around in our pocket (along with our pocket protector and note cards).

1 = "Conventional Cab" just means a regular two door body style with a long nose (not cabover, and not four door)

6 = "Check digit" - my card doesn't show a check digit; check digits did not come into use until 1981. In any case it is a randomly assigned digit to fill that spot so that one can't arbitrarily re-create a VIN after the fact. (You have to know the specific check digit in order to know the accurate full VIN).

V = Pontiac Michigan (South Blvd, as opposed to Opdyke Rd Light Duty, which started with GMT400, or headquarters at Montcalm/Joslyn, which was passenger car only).

K
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Last edited by Keith Seymore; 07-30-2024 at 11:13 AM.
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Old 07-30-2024, 11:12 AM   #3
3QTRTONS
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Re: vin ?

THAT'S THE TICKET!!!
(I'm from the pocket protector generation as well)
Thanks MUCH
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1969 ES5500 B E A S T 1976 K20 Suburban
1983 C10 'farm truck' 1984 K10 Suburban
1988 V30 Fire Truck

1941 Dodge WC18 Ambulance
2000 GMC Bus (parts warehouse)
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Old 07-31-2024, 02:31 PM   #4
Bob B.
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Re: vin ?

Quote:
Originally Posted by Keith Seymore View Post
We used to carry these VIN cards around in our pocket (along with our pocket protector and note cards).

1 = "Conventional Cab" just means a regular two door body style with a long nose (not cabover, and not four door)

6 = "Check digit" - my card doesn't show a check digit; check digits did not come into use until 1981. In any case it is a randomly assigned digit to fill that spot so that one can't arbitrarily re-create a VIN after the fact. (You have to know the specific check digit in order to know the accurate full VIN).

V = Pontiac Michigan (South Blvd, as opposed to Opdyke Rd Light Duty, which started with GMT400, or headquarters at Montcalm/Joslyn, which was passenger car only).

K
Question: Was Opdyke Road sometims called 'Pontiac East'? I thought they built medium duty conventionals there from 1973 to 1984 or so. Thanks!
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Old 07-31-2024, 04:53 PM   #5
Keith Seymore
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Re: vin ?

Quote:
Originally Posted by Bob B. View Post
Question: Was Opdyke Road sometims called 'Pontiac East'? I thought they built medium duty conventionals there from 1973 to 1984 or so. Thanks!
Yes - Opdyke Rd was called Pontiac East.

Maybe I am remembering incorrectly and it was re-fit in order to produce GMT400 trucks.

I've got some charts I made that show when the various plants came and went. I'll take a look at it next time I come across them.

K
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Old 07-31-2024, 09:46 PM   #6
Bob B.
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Re: vin ?

Thanks! I have this brochure in my collection from late 1972, and it mentions a new plant in Pontiac:
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Old 08-01-2024, 07:32 AM   #7
Keith Seymore
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Re: vin ?

Thanks for posting that!

K
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Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926
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Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/
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Old 08-01-2024, 12:34 PM   #8
Bob B.
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Re: vin ?

Looks like that might be Pontiac East, is that Opdyde Road in front? I think GM moved the medium duty trucks back to South Blvd. sometime in the early 80's and retooled Pontiac East for the GMT400's. I believe it was closed for a number of years. I had a good friend that build the medium duty GMT530's at Janesville WI. for years.

Interesting stuff!

Those 1973-1989 medium duty conventionals were sure good trucks, I put a lot of miles on them.
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Old 08-01-2024, 01:53 PM   #9
Keith Seymore
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Re: vin ?

Yes - right about here:

HQ was on South Blvd; motor homes (and later the Truck Validation Center) were off the map in the upper LH corner where the M-1 Concourse now resides.

K
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Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926
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Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/
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