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09-22-2015, 03:25 PM
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#1 |
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blood type; Retumbo
Join Date: Jan 2004
Location: next to my reloading bench
Posts: 10,269
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Tell me about these firewall markings
I was reading the thread about production lines and something about the markings. What are they and what do they mean. Is there some secret code for reading them? Mine don't match the VIN.
__________________
Man rule #77...if you own a 67 stepside with a caddy 472 you will never be in danger of loosing you man card |
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09-22-2015, 03:46 PM
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#2 |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,291
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Re: Tell me about these firewall markings
Post some pics.
Usually they are option codes, or a heads up for downstream workers on paint colors and such. http://67-72chevytrucks.com/vboard/s...light=sequence http://67-72chevytrucks.com/vboard/s...light=graffiti http://67-72chevytrucks.com/vboard/s...light=graffiti http://67-72chevytrucks.com/vboard/s...light=graffiti http://67-72chevytrucks.com/vboard/s...light=graffiti They will not match the VIN. Nobody in the vehicle assembly plant cares about the VIN - everything is keyed off the build sequence (or manifest sequence) number. The build sequence number is an attempt to control the flow of subassemblies into the main line, and keep everything in order. The VIN is just a part to be installed on that particular build, just like a tune up label, SPID label or Mulroney window sticker. K
__________________
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; 09-23-2015 at 07:29 AM. |
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09-22-2015, 03:49 PM
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#3 |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,291
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Re: Tell me about these firewall markings
My truck happened to be "number 87" -
VIN is HFxxx388. K   
__________________
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; 09-22-2015 at 04:31 PM. |
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09-28-2015, 06:48 AM
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#4 | |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,291
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Re: Tell me about these firewall markings
Quote:
K
__________________
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/ |
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09-28-2015, 08:32 AM
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#5 |
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blood type; Retumbo
Join Date: Jan 2004
Location: next to my reloading bench
Posts: 10,269
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Re: Tell me about these firewall markings
I'm talking about the ones on top of firewall by wire channel.
There was also some hint of that being related to fixes or some small defect I think
__________________
Man rule #77...if you own a 67 stepside with a caddy 472 you will never be in danger of loosing you man card |
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09-28-2015, 10:01 AM
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#6 | |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,291
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Re: Tell me about these firewall markings
Quote:
Not related to fixes. Repairs are logged on a specific repair ticket and then "bought off" by the repairman (and inspector) by using a hole punch with unique characters (hearts, moons, clovers). The characters can be traced back to the particular repair person or inspector if need be. The repair tickets are bundled together as the vehicle goes through the build process and then are thrown away once the vehicle is shipped. Repairs are not normally written on the vehicle itself. K
__________________
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; 09-28-2015 at 10:20 AM. |
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09-28-2015, 10:18 AM
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#7 | |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,291
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Re: Tell me about these firewall markings
Quote:
http://67-72chevytrucks.com/vboard/s...91#post7318891
__________________
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/ |
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