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**'68OrangeSunshine** · 12-22-2017, 02:35 AM

GMC VINs are different.
C = Conventional [2wd]
E = V8
1 = 1/2 Ton
34 = Fleetside
[-] = Dash means no Pennsylvania state certification [GMC only]
1 = Oshawa assembly
Z = 1970
50609 = Production sequence.

So the VIN tag on your 3/4 ton is for a C/1500 not a C/2500. It's a Canadian-made Oshawa truck from 1970, not a '71 Fremont [Z] truck.
If there is a VIN on the engine block, it's not from a truck. If the block VIN matches the number on the plate, that's a little TOO coincidental. Of course I'm a long way from Canada, so my experience is limited. Can't say why there's no ''9'' code in the VIN.

Bruceman1968 is the resident VIN puzzle expert. Maybe he'll show up.

12-22-2017, 02:35 AM	#28
'68OrangeSunshine Senior Member Join Date: Feb 2002 Location: Tucson, AZ USA Posts: 7,628	Re: California K20 emission question GMC VINs are different. C = Conventional [2wd] E = V8 1 = 1/2 Ton 34 = Fleetside [-] = Dash means no Pennsylvania state certification [GMC only] 1 = Oshawa assembly Z = 1970 50609 = Production sequence. So the VIN tag on your 3/4 ton is for a C/1500 not a C/2500. It's a Canadian-made Oshawa truck from 1970, not a '71 Fremont [Z] truck. If there is a VIN on the engine block, it's not from a truck. If the block VIN matches the number on the plate, that's a little TOO coincidental. Of course I'm a long way from Canada, so my experience is limited. Can't say why there's no ''9'' code in the VIN. Bruceman1968 is the resident VIN puzzle expert. Maybe he'll show up. __________________ Every 25 years I like to rebuild that 292, whether it needs it or not. Last edited by '68OrangeSunshine; 12-22-2017 at 02:51 AM.