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#1 |
Registered User
Join Date: Mar 2017
Location: az
Posts: 5
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grease pencil markings
I was sanding down the firewall on my 67 pickup and found these markings under the original paint. The truck is ivory with blue interior. Anybody know what the "203" stands for?
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#2 |
Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,200
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Re: grease pencil markings
"Ivory" is 528. The 203 could be an assembly line sequence number. Do you know which plant your truck was built in?
Some additional reading about grease pencil markings: Factory Markings: http://67-72chevytrucks.com/vboard/s...ighlight=Linda Need Help Deciphering Factory Grease Marks: http://67-72chevytrucks.com/vboard/s...ighlight=Linda Show Us your Crayon Marks: http://67-72chevytrucks.com/vboard/s...ighlight=Linda Factory Grease Pencil Marks: http://67-72chevytrucks.com/vboard/s...ighlight=Linda Z Code Fremont Asssembly http://67-72chevytrucks.com/vboard/s...light=graffiti Found my Build Sheet: http://67-72chevytrucks.com/vboard/s...light=graffiti Numbers at top of firewall: http://67-72chevytrucks.com/vboard/s...d.php?t=545345 Help CC to the Nuthouse: http://67-72chevytrucks.com/vboard/s...ghlight=grease
__________________
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; 09-07-2017 at 05:40 PM. |
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#3 |
Registered User
Join Date: Mar 2017
Location: az
Posts: 5
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Re: grease pencil markings
yes, it was built in St. Louis
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#4 |
All about them K’s
![]() Join Date: Jun 2014
Location: Land of Entrapment
Posts: 6,394
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Re: grease pencil markings
I figured so. I've got a 72 cab from st Louis that has yellow markings all over it. Seems all the St. Louis trucks have lots of graffiti on them.
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Tyler '57 3100 http://67-72chevytrucks.com/vboard/s...d.php?t=813888 '72 K20 Cheyenne: 5” lift, 35’s, front dana 60 blah blah blah… http://67-72chevytrucks.com/vboard/s...d.php?t=662879 ‘69 K10 SWB: 4” lift 33”s… in a million pieces http://67-72chevytrucks.com/vboard/s...d.php?t=805206 '98 Silverado LT K2500HD ECLB Vortec 454/4l80E: 6" lift 315/75/16's |
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#5 |
Junior Member
![]() Join Date: Dec 2013
Location: S. Lake Tahoe Ca
Posts: 35
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Re: grease pencil markings
I have a 71 built at Fremont, it has the original paint on the cowl. Is it odd that there are no grease pencil marks on it? There is no evidence that they were removed either. It does have the marks left by the painters though.
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#6 | ||
Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,200
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Re: grease pencil markings
Quote:
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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#7 |
Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,200
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Re: grease pencil markings
Also - here is the generic info packet from the GM Heritage Center archive for '67.
I wasn't going to attach it but there is some really cool extraneous stuff in there, including rear suspension details and engine HP/torque curves. https://www.gmheritagecenter.com/doc...olet-Truck.pdf 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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#8 |
Senior Member
![]() Join Date: Feb 2002
Location: Tucson, AZ USA
Posts: 7,281
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Re: grease pencil markings
Ya know, I think I spent a couple of hours -- 35 years ago -- with Simonize rubbing compound and a lot of elbow grease cleaning off the "Graffitti" on my '68 C/10's firewall. Who knew it would be important someday? Oh well.
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Every 25 years I like to rebuild that 292, whether it needs it or not. |
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#9 | |
Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,200
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Re: grease pencil 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/ Last edited by Keith Seymore; 09-08-2017 at 01:44 PM. |
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#10 | |
Senior Member
![]() Join Date: Feb 2002
Location: Tucson, AZ USA
Posts: 7,281
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Re: grease pencil markings
Quote:
I'm thinking it was part of a fleet order for Southern Pacific or CalTrans, who both liked orange.
__________________
Every 25 years I like to rebuild that 292, whether it needs it or not. |
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#11 |
Registered User
Join Date: May 2016
Location: TEXAS
Posts: 46
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Re: grease pencil markings
Here are the markings on my all original 71, firewall, inside fenders plus a few other spots, even the tag on the coil
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#12 |
Junior Member
![]() Join Date: Dec 2013
Location: S. Lake Tahoe Ca
Posts: 35
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Re: grease pencil markings
Keith,
Thanks for the reply. I did read the other threads. While it seems that it was very inconsistent as to what was put on the firewall, I didn't see much mention as to having no marks. Do you happen to know if the painters, when the left their "mark" on the firewall, did they ever leave a mark on the interior of the door? |
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#13 | |
Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,200
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Re: grease pencil markings
Quote:
It is inconsistent, because it was not an engineering requirement but more of a "help a brother out" between the guys in the assembly plant. No marks is certainly a possibility; my '65 GTO has no marking on the firewall (nor does my pickup, although it does have assembly sequence numbers on the hood, rad supt, grille and fenders). The mark left by the Fremont painters was straight up "graffiti" and could have been punishable if found. As such they hid it where it would be covered up after the truck was assembled. I have never seen anything on the door, particularly where it would be quite visible. 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/ |
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