 Extra firewall insulation?, is there room under the seat backpad ? |
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| porschetub |
 Nov 30 2016, 11:56 AM
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Advanced Member  Group: Members Posts: 4,817 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None  |
I know I know the six sounds great in a 914 but I would like to calm the noise a little inside the car.
Is it possible to fit 5mm thick sound deadening under the backpad? I already have the factory tarboard ? in place so not sure if theres room. |
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| gcrotvik |
Nov 30 2016, 12:08 PM
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#2
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Member Group: Members Posts: 361 Joined: 16-December 09 From: Portland Oregon Member No.: 11,134 Region Association: Pacific Northwest |
QUOTE(porschetub @ Nov 30 2016, 09:56 AM)  I know I know the six sounds great in a 914 but I would like to calm the noise a little inside the car. Is it possible to fit 5mm thick sound deadening under the backpad? I already have the factory tarboard ? in place so not sure if theres room. Yes, there is at least 5 MM between the back pad and the sound deadening pad. You can however find better sound deadening materials that spray on and are 1 to 2 MM thick. On my 74, I had the body shop who painted the car spray the cabin side and the engine side of the firewall with Wurth undercoating when they undercoated the car. The car was then painted the OE color inside and out. The OE tar soundeading mat installs over the undercoated firewall in the passinger compartment and the heat pad installs over the undercoated firewall in the engine compartment. I did a Google search for "spray on sound deadening for cars" that resulted in products from every major vendor. Greg |
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Posts in this topic
porschetub Extra firewall insulation? Nov 30 2016, 11:56 AM
matthepcat Yes, you should be able to depending on how you at... Nov 30 2016, 11:59 AM snakemain Put dynamat (and/or a similar product) on the back... Nov 30 2016, 12:08 PM JmuRiz Also make sure the lower butyl tape seal on the re... Nov 30 2016, 02:01 PM Chris914n6 I found under the seats help. Evidently sound boun... Nov 30 2016, 02:51 PM porschetub Ok,thanks for the replies, lots of info,I recently... Dec 1 2016, 12:40 AM black73 Firewall Heat-Sound Reduction Mat Dec 1 2016, 05:50 AM
Jgilliam914 I knew a guy with a 2.7 and webers maybe PMO... Dec 1 2016, 12:28 PM |
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