73-87 Chevy _ GMC Trucks > Interior & Equipment

Firewall insulation pad

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dieselman123:
Hey guys need some advice on where to start. Have a 83 c10
single cab that had an electrical fire when restoring and my firewall insulation pad got charred..need advice on what to replace it with before i put the heater box back in...should i go with the pad from   or something else. Want to insulate from heat and cold as well as sound. Plus i need to do entire cab as well. Thanks in advance

roundhouse:
I used “Fat Mat” on the inside of the firewall and on the floor , ceiling , inside the doors , and back wall of the cab

Then installed a replacement firewall pad from a vendor

Order about double the fatmat you think you will need
If you don’t you will not have enough

Then we used some reflective foil insulation
Followed by a foam mat and carpet


I don’t know if anyone is making new ones but the diesel pickups had an extra insulation pad on the firewall under the hood to block the noise and heat

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