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Old Jun 13, 2007 | 12:45 AM
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From: san luis obispo ca
Default dynamet

Has anyone used dynamet to cool the firewall ?
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Old Jun 13, 2007 | 10:08 AM
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From: Morrill NE
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If you are asking about Dynamat, I believe that it is primarily used as a sound deadener, not a heat insulator.

Cheers
Steve
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Old Jun 13, 2007 | 10:08 AM
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Originally Posted by larryseed
Has anyone used dynamet to cool the firewall ?
My advice is to check the archives. There have various posts from members whom have used various methods/products to insulate the firewall.
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Old Jun 13, 2007 | 10:42 AM
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It would probly be more noticable in a coupe vs a convertable but it wont hurt. It does help insulate also.( I believe that was their original use before the car audio installers started using it) I used it on my vert and noticed it to be a little cooler. Didnt install it for the sound deadening characteristics. Figured a vert with side pipes needs to be heard.
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Old Jun 13, 2007 | 01:06 PM
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I lined the interior of my '66 coupe with dyanmat when I redid the interior last year. It is definitely cooler in there when driving around on an 80* day. This is with undercar headers and exhaust.
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Old Jun 13, 2007 | 01:15 PM
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It works great as a heat insulator. I used it in my father's 64 and i am currently installing it in my 65. The difference in the floor board temp around the gas pedal is amazing. No more sweaty hot feet.
Fat mat will run you about half the cost of dynamat if you purchase it on ebay and it is pretty much the same product. Dynamat might be a smigin thicker, but not much.
The carpet fits a heck of a lot better with this product instead of the stock insulation as well. Dynamat comes in sheets. Fatmat comes in rolls. I find it much easier to work with the fatmat because you can cut the correct length piece and dont have to do as much "stiching", which equals less wasted material.
If you buy some make sure you purchase a roller as well for installation



Last edited by Corbrastang; Jun 13, 2007 at 01:20 PM.
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Old Jun 14, 2007 | 12:40 AM
  #7  
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From: Morrill NE
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Not to beat a dead horse here, but the original Dynamat was designed as a sound deadener http://www.dynamat.com/technical_spe..._original.html
It is a dense material used to keep panels from vibrating and transmitting sound. Their website does show a material called Dynashield http://www.dynamat.com/technical_specs_dynashield.html that is intended for heat insulation.

Cheers
Steve
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Old Jun 14, 2007 | 06:20 PM
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Default good site for tests of various products

http://www.sounddeadenershowdown.com/
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