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1974 911 w/ 83 SC engine
 
Join Date: Aug 2009
Location: Austin, Texas
Posts: 602
Heat shielding material between muffler and bumper?

Had a new muffler put on my '74 recently, and now the rear bumper gets hot. Is there any heat shielding material out there I could line the inside of the bumper with to stop it getting so hot? There has to be a material out there specifically made to shield car undercarriages, right?

Old 04-08-2010, 07:24 PM
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on my 73 which has the RS fiberglass rear bumper, I have installed a piece of aluminum sheet to reflect back the heat and stop the bumper from getting really hot. It has worked well for years.
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Old 04-08-2010, 08:11 PM
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check summit racing

Thermo-Tec 11720 - Thermo-Tec Micro Louver Heat Shield - Overview - SummitRacing.com

not cheap, but cheaper than painting again
Old 04-08-2010, 08:39 PM
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I put this shielding from Summit Racing inside my bumper -

Old 04-08-2010, 08:57 PM
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Quote:
Originally Posted by porschenut View Post
I put this shielding from Summit Racing inside my bumper -

Does that stuff just glue on or is it self adhesive?
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Old 04-09-2010, 12:50 AM
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I use the same as above and it has adhesive backing.
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Although it is done at the moment, it will never be finished.
Old 04-09-2010, 03:30 AM
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1974 911 w/ 83 SC engine
 
Join Date: Aug 2009
Location: Austin, Texas
Posts: 602
Quote:
Originally Posted by porschenut View Post
I put this shielding from Summit Racing inside my bumper -

Thanks! I am looking into it right now.
Old 04-09-2010, 06:05 AM
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Join Date: Jan 2006
Location: Santa Barbara, CA
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Pegasus sells this stuff too. Works well, though I needed an aluminum shield in addition.

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74 911 coupe. 2.7 motor by Schneider Auto Santa Barbara. Case blueprinted, shuffle-pinned, boat-tailed by Competition Engineering. Elgin mod-S cams. J&E 9.5's. PMO's.
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Old 04-09-2010, 06:26 AM
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