CRG Discussion Forum
Camaro Research Group Discussion => Originality => Topic started by: vetteskip on December 23, 2023, 12:51:22 AM
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I own an unrestored 50K mile 69 Z28, mostly all there. I came across some interesting marking and labels that you may, or may not have seen before. I've made comments on the pictures.
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Some more.
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I found similar markings on my 15,000 mile car. Mine had 2 inspection tags on the heater box and had similar grease pencil number. My understanding is the handwritten number is an assembly sequence number. Mine had a "3" and I found the same "3" on top off my gas tank. I did not find any yellow tape. Steering column and gauge cluster tags are the "norm" for identifying applications for those components.
Sounds like you have a really cool Z - post some pics!
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I like the Captured detail of the "Spray" sealer around the perimeter of the Heater box, a detail rarely seen in restorations.
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Update on the yellow tape. This tape on the heater box was to secure the unused orange glove box wire, since my car did come originally include the glove box light.
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Continuing on my original post, here are some pic's of my unrestored floorboards.
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Great shots Keep them up Skip.
Jim
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The crayon marks are common to see on the heater box.
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Skip thanks for sharing pics. We are always looking for detailed pics like this.
Do we know the details about this car like the build month/week? If not would you be willing to tell us or post a pic of the body tag?
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My 5A Z/28 had 87 written on top of the heater box and this written on the gas tank.
Is there anything on your broadcast sheet that references the 57?
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Skip thanks for sharing pics. We are always looking for detailed pics like this.
Do we know the details about this car like the build month/week? If not would you be willing to tell us or post a pic of the body tag?
Bryon, the car is an Norwood early June build.
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correct if i am wrong but did the 06A run through the whole month of june
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Thanks Skip.
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correct if i am wrong but did the 06A run through the whole month of june
Yep 06A is all of June
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From the VIN, it was built mid-June.
Yes, DG is for Dark Green.
57 is the rotation/sequence #. Will also appear on other parts like the gas tank.
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My 06A body is NOR355020 for reference with yours..
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Next up - wiring harnesses. Some of you know that I was the shop forman at Factory-Fit/American Autowire for the first 15 years of the company (great products, great place to work). So I am a wiring nerd for sure! My 69Z has unusually nice original harnesses, and all of them still retain their factory tags. Here are some.
6297663 BC - under dash, manual trans, console, gauges
BC - This is the dash harness code on my Body Broadcast Sheet
6297542 VC - front light, with gauges
VC - This is the front light harness code on my Body Broadcast Sheet
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6297602 - engine harness, with gauges
8721689 - rear body harness, dash to rear quarter, coupe
8721692 - rear light harness, standard
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Vetteskip,
Have you checked under the carpet just above the high beam switch? There's a tag on the wires just before the plastic wire connector to the switch? If there is one, can you post a photo of it too? What was the exact location (i.e., distance from a particular connector) under the dash of the 7663 BC tag? Thanks!
BTW, there would be another harness tag under your console if you ever remove the shifter plate. There could be other tags under the dash depending on options installed, but would require digging under there for access.
Bernie
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There are more wiring harness tags on your car than what are listed on your broadcast sheet because Fisher Body installed some wiring harnesses before delivering the body to the factory. The Fisher Body harness tags were color-coded and had the last four numbers of the part number, but did not have a two-letter broadcast code. Only the factory-installed harnesses had broadcast codes which were listed on the both the chassis broadcast sheet and body broadcast sheet.
Bernie
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Vetteskip,
Have you checked under the carpet just above the high beam switch? There's a tag on the wires just before the plastic wire connector to the switch? If there is one, can you post a photo of it too? What was the exact location (i.e., distance from a particular connector) under the dash of the 7663 BC tag? Thanks!
BTW, there would be another harness tag under your console if you ever remove the shifter plate. There could be other tags under the dash depending on options installed, but would require digging under there for access.
Bernie
Bernie - the '7663' tag is from the high beam switch leads under the carpet; that is the only location for the dash harness tags. I haven't been into the console yet, but if I do, I'll post that pic as well. - Skip
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Vetteskip,
Have you checked under the carpet just above the high beam switch? There's a tag on the wires just before the plastic wire connector to the switch? If there is one, can you post a photo of it too? What was the exact location (i.e., distance from a particular connector) under the dash of the 7663 BC tag? Thanks!
BTW, there would be another harness tag under your console if you ever remove the shifter plate. There could be other tags under the dash depending on options installed, but would require digging under there for access.
Bernie
Bernie - the '7663' tag is from the high beam switch leads under the carpet; that is the only location for the dash harness tags. I haven't been into the console yet, but if I do, I'll post that pic as well. - Skip
By "dash harness tags" I am assuming you mean the Instrument Panel tag (i.e., listed as "I/P" on broadcast sheets)? There are other tags under the dash besides the I/P one. Some other examples of tags under the dash: (1) 1969 dash to left quarter panel rear lighting harness tag is located next to the parking brake. (2) There may be a tag (unconfirmed as of yet) for courtesy light wire. (3) An air conditioning harness tag would be under the dash. (4) Forward speaker harness may have a tag (unconfirmed).
Bernir
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I've been pulling Camaros apart for 40 years, I have never seen this marking. My car is an original X33D80 car, on the left underside of the rear spoiler is this marking. Appears to read M 6-4. If you have a marking like this, or any factual information, I'd love to read your reply!
-Skip
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Very cool pics Skip.
I have an 05A Norwood build X33 LeMans Blue RS Z28 that I purchase back in 1995 and spent 4.5 years restoring. The car had just over 45K miles when I bought it. My original and dated coded fuel tank, and the top side of the interior heater core box, both had "63" markings with an orange grease marker. My firewall had numerous grease marker codes stains in the sheet metal, behind the blackout paint. Among the markings were "D8" for D80 spoilers, "X3" for X33, "10" which I assume was for N10 dual exhaust, and "2X" over by the large round hole for the heater core blower motor. When I get home from work this evening I will post a few photos.
As I read the Echoes of Norwood book on the history of the Norwood, OH assembly plant, it mentions how broad cast codes and sheets were used and communicated throughout the plant. A body build sequence number was used daily, starting with 001 each day and continuing thru the number of cars built that day. That number must have been "broadcast" thru the plant and the line workers numbered certain parts ready for the matching body number car coming down the line. Using a simple 3-digit number was much easier to see versus reading the print on the body or chassis broad cast sheets taped to the front window. I have seen the same 3-digiti number marked on the lower front valance panel and on inside surface of the spare tire in the trunk. However, I am not sure why fuel tanks and heater core boxes were marked as they are standard component used on any '69 Camaro. I understand the spare tire because rim/tire were designed for a particular car coming down the line.
The original color of the bottom side of my floorboards looked identical to yours...primary gray in appearance with black speckle overspray. My floorboards were NOT painted satin black as the current Legend judges mention they like to see. I have pictures from numerous survivor '69s with floorboards that have the appearance of 'light gray primer" color (from the baked phosphate body prep process) and only black with some overspray from the firewall blackout treatment and along the floorboards if the car received blackout on the lower door sills below the spear trim.
Love seeing your pictures!
Dave
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JohnZ describes the process in detail. http://www.camaros.org/assemblyprocess.shtml
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While degreasing the bellhousing, I came across a yellow R on the side. I haven't seen this before, not sure what this refers to.
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More labels from my unrestored 69 Z28 - these are 'NOR 21' labels on the sheet metal inside of each door, behind door panels.
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They are on all 4 windows - the zone required the tag for glass adjustment warranty payment. This was the result of dealers scamming on glass adjustment but not actually doing anything.
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Good info, thanks Kurt.
-Skip
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vetteskip,
Thank you for all your very interesting pics of original details on your '69Z! The pics of underside of your floorboards clearly show that some '69 Norwood built cars had a gray primer looking color most likely from the hot phosphate treatment the bodies received prior to paint. My 05A '69 Z28 had floorboards that matched the color of yours. I have other photo documentation from other survivor '69 Camaros also showing original "gray primer" appearing floorboards.
Based on this, I believe the '69 Legends Judging Manual is in error stating they "prefer" to see floorboards painted a low sheen black. If you read and study the Norwood assembly process, and view pictures of the bodies on the conveyor trucks that came from the Chevrolet side the assembly plant, I do not see anywhere in the process where a painter could reach and spray the bottom surface of the floorboards a neat uniform a low sheen black. I could see where some painters may have sprayed more overspray on floorboard surfaces while they painted the blackout below the rocker panel spear molding on some color cars.
Do you see any evidence of the code "57" on the inside surface of your spare tire, and/or on the inside surface of the front lower valance?
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I need to correct my prior input on phosphate and priming 1st Gen Camaro bodies. The bodies were primed after the 7-stage phosphate coating process.
Here is an except from the Norwood assembly sequence article covering the Fisher Body Paint Shop Operations:
"The Paint Shop is broken down into phosphate, prime, sealing, and color departments; the body was suspended from an overhead conveyor with hooks at the firewall and at the ends of the rear frame rails through the phosphate system, and was transferred to a steel carrying truck before the prime system that carried it through the rest of the Paint Shop and through the Trim Shop.
Phosphate System: The raw body shell passed through a seven-stage phosphate system, where it went through a series of enclosed high-pressure hot spray stages where it was washed to remove all the oils and debris from stamping, welding, brazing, soldering, and grinding operations, then the body was coated with a hot iron phosphate solution which "etched" the metal and provided "teeth" for paint adhesion. The final stage was a de-ionized hot water rinse and blow-off, followed by a drying oven on the way to the prime booth.
Prime System: In the first prime booth, the entire body, inside and out, was manually sprayed with primer, and confined areas subject to corrosion were given a second coat of heavier primer material; this prime coat was then baked at 390F for 30 minutes. In the second prime booth, the instrument panel and rear of the shelf area (and the upper door and quarter areas of 1967-68 models) were painted interior color, and another coat of air-dry flash primer was sprayed from the belt line down. The interior color areas were masked, and the entire outer body was sprayed with gray primer-surfacer and the body was baked again at 285F for 45 minutes. The cowl vent panel was hung in the side window opening on wire hooks all the way through the paint process."
My Camaro and vetteskip Camaro were built during the same time period with gray primer floorboards. I supposed it was possible, but perhaps not likely, the Fisher Body Plant at Norwood switch between gray and low sheen black primer on the floorboards, but then as it has been said in our hobby, nothing is absolute about how our GM cars were originally built and anomalies or deviations to the process have been found.
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Hi Vetteskip, I found some markings on the underside of my spoiler. 05 Norwood Built X77 1969 Z28. Maybe a D then a squiggle mark then 9A or 9N ?
Little hard to read in the picture.
Jon
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Jon, interesting!