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Old 07-02-2019, 03:18 AM
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Default 68 RS/Z Firewall Codes

Hi Folks, Paul (HuggerSS) was looking for some feedback on what looks to be a few firewall codes written on his '68 Island Teal / Black VT RS/Z. Thoughts?





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Old 07-02-2019, 11:12 AM
HuggerSS HuggerSS is offline
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SCUNCIO, thank you for posting. I am trying to figure out what the grease pen markings on my firewall says. I think I see D E A L, Which I’m assuming the D is a T and it is TEAL.

Has anyone had any luck putting anything on the firewall grease pen markings to make it more vibrant?
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Old 07-02-2019, 01:44 PM
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They are hard to read because they were placed there during body fab, on raw steel. One of the last operations was firewall black out, when they were covered with paint. It wasn't necessary to write TEAL on the firewall after the car was painted. Over time the paint flakes off and they become a bit more visible. The 'firewall graffiti' often seen such as M-21, L78, z-28 is nonsense; wasn't visible after firewall blackout.

They are easy to read if the firewall is media blasted because grease pencil stains the metal.

The only marking occasionally seen on the firewall blackout is the assembly sequence number.
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Old 07-02-2019, 08:11 PM
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Great info, thank you
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Old 07-02-2019, 08:23 PM
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This is from our '67 Z/28 project circa 1990. 3L was to the right of the body tag. RS, white, black vinyl, blue custom.
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Last edited by William; 07-02-2019 at 08:28 PM.
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Old 07-03-2019, 12:43 AM
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A little fuel for the fire... all unrestored cars.
2 Norwoods
R GRN
DK BLUE

And a VN... multiline plant used numeric codes VS color names-
71 71
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Old 07-03-2019, 02:18 AM
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Paint doesn't adhere well to grease pencil. The body was painted long before fire wall blackout was applied. Over time the paint flakes off and they become a bit more visible.

From John Z's First Gen Camaro Assembly Process article on the CRG site:

"The last process for a non-stripe car was the blackout booth, where the firewall was blacked-out, the trunk was sprayed with spatter paint, and sound-deadening undercoat material was sprayed in the rear wheelhouses. The rear "cocktail shakers" on convertibles were suspended in the trunk for spatter painting, but weren't bolted in place until later in the Trim Shop, after the taillights and marker lights were installed."

http://www.camaros.org/assemblyprocess.shtml
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Old 07-03-2019, 02:31 AM
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So on a car that the fire wall has been painted over, but not restored, what is the best way to clean the paint off, to find the original grease marking.

Thanks Gregg
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Old 07-03-2019, 05:48 AM
KLars1 KLars1 is offline
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Quote:
Originally Posted by William View Post
This is from our '67 Z/28 project circa 1990. 3L was to the right of the body tag. RS, white, black vinyl, blue custom.
Wow! Pics of this car somewhere?
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Old 07-03-2019, 02:29 PM
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Volo had it listed recently; it's been through several auctions.
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