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04-02-2017, 01:07 PM
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#1 |
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Registered User
 
Join Date: Jul 2016
Location: Trabuco Canyon, Ca
Posts: 56
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GMC Plant Code "Z"?
Hello,
I'm running across conflicting info on the Z in my VIN (1977 GMC Sierra Classic). I know it refers to the assembly plant, but was it Fort Wayne, Indiana or Freemont, California? Or somewhere else? Thanks, Michelle
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=============== "...We won't live forever. Make sure you accomplish what you were put here for.” Abigail Adams (First Second Lady, Second First Lady) =============== 1977 GMC K25 Sierra Classic Long bed "Abigail Amelia" 1986 Jeep CJ7, 1973 Chevy K5 Blazer (Hubby's projects) |
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04-02-2017, 01:25 PM
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#2 |
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Registered User
Join Date: Dec 2014
Location: Euless, Texas
Posts: 520
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Re: GMC Plant Code "Z"?
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1974 Cheyenne 10 LWB Stock 350 W/HEI /TH350/AC/4 BBL Quadrajet Mopar by Birth Chevy by Choice |
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04-02-2017, 01:36 PM
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#3 |
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Registered User
Join Date: Oct 2009
Location: Buhl, Idaho
Posts: 1,438
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Re: GMC Plant Code "Z"?
Z is Fremont California that is where my 81 was built. I think the plant closed in late 81 or 82.
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86 c30 crew cab dually 454/400 4/6 drop SOLD 1-8-11 1981 chevy K10 short Bed Scottsdale SOLD 10-26-2020 67 GMC Stepside Straight six/3 on the tree "The Peach" 2020 Silverado Double Cab LT Z71 5.3 8 speed Daily Driver K10 build http://67-72chevytrucks.com/vboard/s...d.php?t=671934 The Peach build http://67-72chevytrucks.com/vboard/s...d.php?t=733903 
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04-02-2017, 02:12 PM
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#4 |
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Registered User
Join Date: Jul 2016
Location: Trabuco Canyon, Ca
Posts: 56
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Re: GMC Plant Code "Z"?
Thanks for the quick replies, Bandit and Matt Man!
So if the end of my VIN is Z508260, does that mean it's the 508,260th truck built there?
__________________
=============== "...We won't live forever. Make sure you accomplish what you were put here for.” Abigail Adams (First Second Lady, Second First Lady) =============== 1977 GMC K25 Sierra Classic Long bed "Abigail Amelia" 1986 Jeep CJ7, 1973 Chevy K5 Blazer (Hubby's projects) |
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04-02-2017, 06:36 PM
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#5 | |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,239
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Re: GMC Plant Code "Z"?
Quote:
There were roughly nine chevys built for every GMC, built on the same line but with a separate unique VIN sequence. Those are all "fodder", pushing your GMC later in the model year than what the sequential portion of the VIN might imply. Most plants did not build in VIN order, as there accumulator/banks between the body shop and paint, and between paint and final line, to allow shuffling of vehicles based on part shortages or work load leveling (can't have too many A/C jobs in a row, or two many manual trans vehicles in a row, etc), and to allow the final line to run in the event of a breakdown in body shop or paint. Fremont is one of the few plants that did build straight through, but definitely a minority. K
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Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ Last edited by Keith Seymore; 04-02-2017 at 07:30 PM. |
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04-05-2017, 08:34 AM
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#6 |
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Registered User
Join Date: Dec 2014
Location: Euless, Texas
Posts: 520
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Re: GMC Plant Code "Z"?
This is the link I tried to find previously and forgot where it was and I found it.
http://www.lmctruck.com/icatalog/cc/full.aspx?Page=9
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1974 Cheyenne 10 LWB Stock 350 W/HEI /TH350/AC/4 BBL Quadrajet Mopar by Birth Chevy by Choice |
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