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10-09-2024, 10:13 PM | #1 |
Senior Member
Join Date: Feb 2022
Location: Ca
Posts: 561
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Upgraded cab insulation discussion
Continuing with the fire damage, I ended up stripping the firewall engine side to metal with wire wheel and epoxy prime.
The interior side of firewall got so hot it charcoaled the jute insulation of the center section OEM pad and a bit of the inside cowl jute and a small part of the left pad in area of gas pedal. A question for those who have upgraded the insulation. Was it worth it? Does laying the rubberized material behind the gas tank add any benefit? Floor? The cab is gutted except tank. Now is the time to do the extra insulation if it is worth it. I need to watch my add-ons to this repair or a blown bank account could easily come about. Seems this stuff does add up so I am looking for input. Thanks for help |
Yesterday, 04:02 PM | #2 |
Senior Member
Join Date: Feb 2022
Location: Ca
Posts: 561
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Re: Upgraded cab insulation discussion
No opinions?
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Yesterday, 04:08 PM | #3 |
Senior Member
Join Date: Nov 2013
Location: East Tennessee
Posts: 2,175
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Re: Upgraded cab insulation discussion
I did a build from scratch, so the inner firewall was bare metal. I used Lizard Skin heat coating as well as the sound deadener coating. I also glued on 3/8" thick jute insulation with the foil on both sides, as high as I could get it up under the dash.
I don't have a comparison, but it's cool and quiet. In your case, if it was me, I would use the self adhesive (Dynamat, Fat Mat, etc) then perhaps add a layer of ¼" jute over that everywhere it was feasible.
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1967 C10 Step side 1968 C10 Step side 1970 Chevrolet K/5 Blazer 1972 Chevrolet K/5 Blazer ............. |
Yesterday, 04:21 PM | #4 |
Registered User
Join Date: Jun 2015
Location: Carlos MN
Posts: 2,082
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Re: Upgraded cab insulation discussion
This is what my 68 Cab looked like before the carpet went down. First layer was Hush Mat. Second layer is double sided foil jute insulation. Then the stock carpet. I'm running headers with my LS swaps and I think it really helps.
Also under the cab over the header area I use insulation from DEI. One side is kind of like a dimpled foil. Then in the middle kind of a fiberglass insulation and then super sticky glue to stick it to the sheet metal. |
Today, 07:13 AM | #5 |
All stock and staying that way
Join Date: Jul 2003
Location: Elkland, PA
Posts: 1,581
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Re: Upgraded cab insulation discussion
I used Dynamat on my Blazer. It is quieter in the cabin than it ever was!
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1970 K/5 Blazer CST 4WD, Medium Bronze, 93k ACT. miles, 350, 4 speed, rear positraction, 16.5" x 8.25" HD wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration finally getting close to completion.. 1972 Cheyenne Super 20 2WD, DK Blue/White, 90K ACT. miles, 402, TH400, 4.10 open, tilt, tach, vacuum, A/C, AM/FM, manual throttle.. A mostly original paint never rusted Texas survivor... 2017 Sierra 1500 SLT 4WD, Black, 45k miles, 5.3, 6L80E, 3.42 LS, 20" polished wheels, everything but moonroof and 6.2... 2019 Canyon SLT 4WD, White, 62k miles, 3.6, 8L45, 3.23 LS, 18" wheels |
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