What is my new squarebody??? Need help!

[Mr Clean]

 

[ButchM]

Good morning fellow squarebody owners! I have owned many of these trucks over the years but never seen a truck like I bought yesterday…it is a non dually K30 Silverado, blue and white, with power windows and locks, it had a 6.2 diesel but now a 454. My question is on the glove box data sticker, it says military vehicle on one side and “Army vehicle ident” on other side, with interior color listed as “bron” - I have never seen any military vehicles painted anything but green from the factory, and certainly not one with power windows, locks etc… what is this truck? Thank you for any help!

Carmen
What year is the truck you're asking about?
Butch

 

[Keith Seymore]

1GCGD34J2GF394406 decodes to 1986 model year, where

G = 1986
F = Flint Assembly
394406 = serial portion of VIN

I might have put the fenders on that truck (well - my guys, anyway).

K

 

[ButchM]

Good morning fellow squarebody owners! I have owned many of these trucks over the years but never seen a truck like I bought yesterday…it is a non dually K30 Silverado, blue and white, with power windows and locks, it had a 6.2 diesel but now a 454. My question is on the glove box data sticker, it says military vehicle on one side and “Army vehicle ident” on other side, with interior color listed as “bron” - I have never seen any military vehicles painted anything but green from the factory, and certainly not one with power windows, locks etc… what is this truck? Thank you for any help!

Carmen
I recall, as WindJammer mentioned, that most if not all military trucks had the tan/bronze/maple interior that your 76I and 76V codes list. ZY1 shows it should be a single color, 2 tone color codes are different. Several of your RPO codes do not show up on a regular RPO list, although HC4 was a code for 4.56 gears on 1970's trucks.
Military trucks were almost always drab flat green, no chrome, Custom Deluxe model, two headlight front end, manual windows and locks. It would not surprise me if they did not have A/C (others pitch in here please).
Yours by contrast is a Silverado. 4 headlight "Deluxe" front end, chrome bumper, chrome around the marker lights, chrome drip molding, hood ornament etc.
I offer up two possibilities I see as likely.
1- Least likely: Someone spent time and money to convert a military truck to a Silverado. The amount of parts is HUGE, the work to convert the drab green truck to a two-tone blue/white with NO OBVIOUS SIGNS is even HUGER (yes, it's now a word). By the time this is complete you've probably spent way more than buying a Silverado.
2- More likely: Someone who lives in a state that smogs (or did) big block 1 tons came across a military truck with a diesel (even the peoples republic of Californication didn't used to smog diesels). Changing a body between frames is MUCH easier than color change paint job and all the trim piece changes.... and now you don't have to get it smogged. A VIN for a diesel truck never got a notice for a smog inspection, they were exempt. This was a BIG THING back in the 90's/early 2000's. Changing the VIN on the dash is not hard if you have the proper flower-head rivets... If the dash VIN plate has regular round head rivets they have been changed and this is almost assuredly what happened. You used to be able to buy the flower-head rivets if you knew where to shop. This would also explain why the military plate didn't look like it had been painted around such as during a color change. They just mounted it on the new body.
3- Option to #2: Someone bought the military truck and just swapped the VIN plate and military plate over to this truck. If that's the case the VIN numbers on the frame won't match the dash VIN plate. Checking the frame may help determine what's going on.
Ustabe if the VIN number on the dash tag matched the VIN number on the frame/glovebox/door, no need to look any further as the cab only had the dash plate, the glove box sticker and a sticker on the driver door that would be missing if the door was replaced.
Determining if the chassis is military may help also.
The pics below will help you decipher your VIN number.
Unless you're in an are that smogs I would just fix it up as a Silverado and enjoy. The military pedigree will likely become important if/when you need suspension/axle parts.
G'luck
Butch

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