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#1 |
Registered User
![]() Join Date: Sep 2009
Location: Lubbock Texas
Posts: 1,049
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Grease pencil marking on firewall
Jason and I just bought our sixth 72 BB and it has very clear orignal grease pencil markings on the firewall. Long ago we figured the model no., engine trans, brakes etc but we have not been able to de-code the no. 6 that is usually in the center or the 2T or 4T that are both ends i.e. the first and last marks on the firewall. No imput on the no. 6. On the 2T & 4T some have suggested paint combinations but we have seen both on all paint combinations. Thanks Paul
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#2 |
Registered User
![]() Join Date: Sep 2009
Location: Lubbock Texas
Posts: 1,049
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Re: Grease pencil marking on firewall
bump
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#3 |
Registered User
![]() Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,514
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Re: Grease pencil marking on firewall
I believe that the grease pencil marks are from the inspectors as the truck went down the assembly line. As far as I know they don't have any bearing on components on the truck.
Pretty much the same as finding the piece of paper in the pocket of your new shirt that says inspected by #14. |
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#4 |
Registered User
Join Date: Sep 2009
Location: Savannah, GA
Posts: 18
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Re: Grease pencil marking on firewall
That's not entirely true, as the model # of my truck is clearly on the firewall in grease pencil. I am not sure what else is on there, I'll have to look again.
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#5 |
Registered User
![]() Join Date: Sep 2009
Location: Lubbock Texas
Posts: 1,049
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Re: Grease pencil marking on firewall
Mercury694, you are on the right track.The model# tells story ex.
CE10734 Chevy,V8,1/2 ton, 115 in wheel base, fleet side. L # shows specific engine, M # shows transmission, J70 shows power brakes etc but I can not de-code the 6 in the center or the 2T 4T on the corners. Thanks Paul |
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#6 |
Registered User
![]() Join Date: Sep 2009
Location: Lubbock Texas
Posts: 1,049
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Re: Grease pencil marking on firewall
Bump because someone reading today will know the answer.
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#7 |
Registered User
Join Date: Nov 2006
Location: Portland
Posts: 382
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Re: Grease pencil marking on firewall
I don't know, but maybe the 2T = 2wd and 4T = 4wd?
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#8 |
Registered User
Join Date: Sep 2005
Location: sc
Posts: 1,203
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Re: Grease pencil marking on firewall
mine has 997 all over it
Firewall radiator support and its on the frame too
__________________
71 Cheyenne C10 LWB cam'd 6.0/T56 Swap |
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#9 |
Registered User
![]() Join Date: Mar 2003
Location: Asheville, N.C
Posts: 952
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Re: Grease pencil marking on firewall
I have 344 on the frame and under the origional carpet.What does this mean
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#10 |
Registered User
![]() Join Date: Feb 2001
Location: East Central, MO
Posts: 11,336
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Re: Grease pencil marking on firewall
I could have been for just about anything. Seqence going onto a line, markings for repair, etc. Now they use bar codes and scanners.
From memory Inspectors and the guy that put the vehicles in sequence on lines are the most likely to use grease pencils. Years ago they use to have seperate lines for certain things like AC, maybe like twotone paint, etc. Last edited by Mudder; 11-17-2009 at 11:53 AM. |
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#11 |
Registered User
![]() Join Date: Sep 2009
Location: Lubbock Texas
Posts: 1,049
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Re: Grease pencil marking on firewall
Hey guys thanks for your input, from doing NCRS and Bloomington Gold Corvettes yrs ago I am really into this stuff. I will continue my research and let you know what I find. Thanks again Paul
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#12 |
Registered User
Join Date: Jul 2009
Location: NewMexico
Posts: 59
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Re: Grease pencil marking on firewall
My 70 CST 4x4 has all the #'s your talking about with the 4T on the corners, the radiator mount reads 427X?
I also have a 72 GMC with nothing on the firewall. My Dad custom ordered the 70 back in 70, back in the day when you could do this, instead of buying one off the lot. Could be an angle for you. Let us know what you come up with and I'll start searching my end. |
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#13 |
Registered User
![]() Join Date: Sep 2009
Location: Lubbock Texas
Posts: 1,049
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Re: Grease pencil marking on firewall
Donscst, if you will PM all the nos on firewall I will interpret and will research 427x
Rack man PM details and I will do the same. |
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#14 | |
Registered User
Join Date: Sep 2008
Location: Tempe, AZ
Posts: 770
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Re: Grease pencil marking on firewall
Quote:
On the frame of my 70 4x4 ![]()
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My Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=309288 Last edited by Rack Man; 11-17-2009 at 03:19 AM. |
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#15 |
I miss this truck.
Join Date: Dec 2001
Location: Lexington, KY U.S.A.
Posts: 2,863
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Re: Grease pencil marking on firewall
That kinda looks military. I wonder if your truck belonged to the military at one time, and that is the inventory or property #?
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'07 GMC Acadia SLT. Sweet ride. '08 Crew Cab Z-71 short bed. Really like this truck A LOT. |
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#16 |
I'M TRUCK CRAZY!
Join Date: Oct 2006
Location: Sachse, TEXAS
Posts: 1,737
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Re: Grease pencil marking on firewall
I am interested in what you find out. I know nothing
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#17 |
Registered User
![]() Join Date: Sep 2009
Location: Lubbock Texas
Posts: 1,049
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Re: Grease pencil marking on firewall
Low Dough fell free to call me 806-252-4174 and I will tell you what I have learned about assembly line production. Paul
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#18 | |
Senior Member
![]() Join Date: Feb 2003
Location: Gold Canyon Arizona
Posts: 4,348
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Re: Grease pencil marking on firewall
Quote:
hi paul. what did you find out re= these 2 markings? so your a blumington vette brother.. i've had a few midyears judged..
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1971 K5 CST Blazer 1951 -3100 short bed 4sp 1965 Chevelle Malibu 283 (sadly sold) 1968 Camaro 327 1968 Honda mini-trail z50a #377 1966 uh 1-D Huey |
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#19 |
Registered User
![]() Join Date: Aug 2001
Location: SOMERSET KY.
Posts: 6,427
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Re: Grease pencil marking on firewall
I WORKED AT FLINT TRUCK & BUS IN THE 80s. I WAS A LAYOUT INSPECTOR THERE, & THEY MADE PICKUPS, SUBURBANS & BLAZERS. IT WAS AN ASSEMBLY PLANT. THE #s (LIKE 997 PICTURED) WAS A JOB # (THEY DIDN'T HAVE ANYTHING AT ALL TO DO WITH ANY INSPECTIONS). I'D BET THAT IS WHAT THAT # IS ON THAT 72. THEY WERE MARKED AN AWFUL LOT LIKE THAT (JUST SCRIBBLED ON THERE BY HAND WITH A GREASE PENCIL). I JUST LAST WEEK BOUGHT A M1009 3/4 TON MILITARY BLAZER THAT WAS MADE IN FEB. 1984, & IT'S A 50/50 CHANCE (THEY RAN TWO SHIFTS) THAT I SAW IT GO DOWN THE LINE. FUNNY... I THOUGHT THEY WOULD BE BADASS THEN & IT TOOK ME 26 YEARS TO BE ABLE TO AFFORD ONE.
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junkyardjohn 69 1 TON TOW TRUCK // 84 4WD CUCV BLAZER// 85 1 TON 4WD STAKE TRUCK// 86 M1031 5/4 TON 4WD CUCV// ALOT OF OLD TRUCKS FOR ONE OLD MAN TO DRIVE. ![]() LIFE MEMBER OF P.E.T.A (PEOPLE EATING TASTY ANIMALS) DON'T RENT U-HAUL ALWAYS TELL THE TRUTH IT WILL AMAZE PART OF THE PEOPLE & ASTONISH THE REST Last edited by junkyardjohn; 07-05-2010 at 04:21 PM. |
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#20 |
Registered User
![]() Join Date: Sep 2009
Location: Lubbock Texas
Posts: 1,049
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Re: Grease pencil marking on firewall
John your explanation makes sense because after looking at many trucks I can find no rhyme or reason. No apparent connection to that particular truck.
Thank you and keep diggin' Paul
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You can shear a sheep every year, but you can only skin it once The person dealing with facts is never at the mercy of the person dealing with theory 1972 Cheyenne Super 402 400 A/c bucket seat tilt custom camper Longhorn 1975 Silverado 454 Crew cab camper special dually |
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