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Old 03-03-2015, 01:31 PM   #1
BamaDave
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86 GMC Vin F or H

While searching for parts I have run across this issue. What is the difference in a 86 GMC VIN F and 86 GMC VIN H? Which number is this designation in the VIN itself? Truck had a 305 in it from birth, but now has a 350 that I put in. I'm trying to choose parts for the A/C, and this seems to be a deciding factor on some parts.
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Old 03-03-2015, 02:03 PM   #2
Keith Seymore
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Re: 86 GMC Vin F or H

Looks like it is position #8 within the VIN, and it looks like it should make no difference.

http://www.73-87chevytrucks.com/tech.../1986truck.pdf

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Old 03-12-2015, 03:20 PM   #3
beamn7
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Re: 86 GMC Vin F or H

F code 305 was the CA emission version...
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