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#1 |
Registered User
Join Date: Jul 2007
Location: branchburg, new jersey
Posts: 568
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firewall pad insulation glue
does anyone what kind of glue that black tar like stuff was used by gm to glue the firewall pad on the interior firewall? i want to used that same type of glue/caulk on some other things. thanks
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#2 |
Registered User
Join Date: Oct 2013
Location: Alabama
Posts: 1,218
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Re: firewall pad insulation glue
the firewall pad is held to the interior (cab side) of the firewall with rubber plugs, not glue.
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#3 |
Registered User
Join Date: Jul 2007
Location: branchburg, new jersey
Posts: 568
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Re: firewall pad insulation glue
the pad itself is held in by plugs but the upper part insulation on mine was glued in from gm
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#4 |
Senior Member
![]() Join Date: Mar 2003
Location: Colfax-California
Posts: 8,526
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Re: firewall pad insulation glue
Ahh, I think you are referring to the part that moves up under the upper dash by the speaker. I think GM just used a high contact cement
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#5 | |
Senior Member
![]() Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,237
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Re: firewall pad insulation glue
Quote:
Here's one on the driver's side: ![]()
__________________
Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assembly kit for restoring the (a) truck from the ground up. My build thread, and more on the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025 |
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#6 |
Registered User
Join Date: Jul 2007
Location: branchburg, new jersey
Posts: 568
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Re: firewall pad insulation glue
yes , its all in the upper part of the dash, what type of glue could this be , it was some sort of black tar, not so much a contact cement but like a splatter of caulk
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#7 |
Senior Member
![]() Join Date: Mar 2003
Location: Colfax-California
Posts: 8,526
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Re: firewall pad insulation glue
I have no idea, but I know it takes almost a blow torch to get the stuff off
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#8 |
Account Suspended
![]() Join Date: Jul 2016
Location: Tacoma, WA
Posts: 6,873
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Re: firewall pad insulation glue
I think that was just contact adhesive that was sprayed on, years ago that stuff was not black it was yellow on the ones I removed long ago.
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#9 |
Registered User
Join Date: Jul 2007
Location: branchburg, new jersey
Posts: 568
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Re: firewall pad insulation glue
thats it, you got it ., is the black tar like glue just contact cement? or something else?
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#10 | |
Senior Member
![]() Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,237
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Re: firewall pad insulation glue
Quote:
__________________
Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assembly kit for restoring the (a) truck from the ground up. My build thread, and more on the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025 Last edited by 71CHEVYSHORTBED402; 03-15-2017 at 11:56 PM. |
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#11 | ||
Registered User
Join Date: Jul 2007
Location: branchburg, new jersey
Posts: 568
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Re: firewall pad insulation glue
Quote:
Quote:
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#12 |
Senior Member
![]() Join Date: Feb 2002
Location: Tucson, AZ USA
Posts: 7,265
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Re: firewall pad insulation glue
The black tar was in the jute to hold it together and be water resistant. [Old tech.] They still used adhesives -- either 3M Weatherstrip Adhesive ["Supersnot''], or 3M 77 Contact Spray Adhesive.
In hot climates [like Tucson] the tar would melt in to the floor and firewall. I had to use a lot of turpentine and rags to get it up.
__________________
Every 25 years I like to rebuild that 292, whether it needs it or not. |
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#13 | |
Senior Member
![]() Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,237
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Re: firewall pad insulation glue
Quote:
![]()
__________________
Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assembly kit for restoring the (a) truck from the ground up. My build thread, and more on the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025 |
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#14 | |
Registered User
Join Date: Jul 2007
Location: branchburg, new jersey
Posts: 568
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Re: firewall pad insulation glue
Quote:
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#15 | |
Senior Member
![]() Join Date: Feb 2002
Location: Tucson, AZ USA
Posts: 7,265
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Re: firewall pad insulation glue
Quote:
I wasn't there when they built your truck. Could be different years and different plants may have had varying procedures. What year and what plant produced your truck? You have a '66 or earlier in your avatar.
__________________
Every 25 years I like to rebuild that 292, whether it needs it or not. |
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