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Horizonblue
Joined: 13 Oct 2011
Posts: 307
Location: Sorring city, Denmark, Europe
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 Posted: Tue Dec 13, 2011 6:34 am Post subject: Firewall sound insulation |
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I have taken the engine out of my 924, and it is now time for a little cleaning up. I have removed the rubber insulation against the firewall, since it was in a terrible condition.
And now comes the question; what to use instead?
_________________
Euro 924, 1976
"If you can't fix it, don't break it"
/P.G. Andersen |
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Raceboy
Joined: 01 Mar 2004
Posts: 2327
Location: Estonia, Europe
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| Posted: Tue Dec 13, 2011 6:38 am Post subject: |
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I'm in the same position with my white 924. I tore the old nasty looking stuff off and thought that installing modern sound insulation but I would rather not have shining silver on the firewall.
Anyone knows any good options besides painting the silver one over?
_________________
'83 924 2.6 16v Turbo, 470hp
'67 911 2.4S hotrod
'90 944 S2 Cabriolet
'78 924 Carrera GT replica
'84 928 S, sold
'91 944 S2, sold
'82 924S/931 "Gulf", sold 
'84 924, turbocharged, sold.
http://www.facebook.com/vemsporsche |
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fiat22turbo
Joined: 18 Jan 2006
Posts: 4040
Location: Portland, OR
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| Posted: Tue Dec 13, 2011 8:46 am Post subject: |
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Put the new stuff on the interior side of the firewall.
_________________
Stefan
1979 924 Carrera GTS (clone-ish)
1988 944 Turbo S (Silver Rose) |
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Ian89C4
Joined: 01 Apr 2011
Posts: 561
Location: North Carolina
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| Posted: Tue Dec 13, 2011 10:53 am Post subject: |
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Or try gold  
_________________
Ian Edgerly
North Carolina
Current:
1981 924 SCCA/ChampCar Weissach Race Car ("Serenity")
1987 924S ChampCar Endurance Car ("Der Weg")
1980 924 Euro ("Wahala") |
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Horizonblue
Joined: 13 Oct 2011
Posts: 307
Location: Sorring city, Denmark, Europe
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| Posted: Wed Dec 14, 2011 2:46 am Post subject: |
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| Ian89C4 wrote: | Or try gold
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Not bad, what material is that?
I have made an experiment with bitumen plates, and I don't like them. Out of the package they are quite brittle, breaks easily. If they are cut to shape with a pair of scissors, the edge looks terrible.
When heated, it bends easily, and can be pressed against any curved shape. When cooled down, it becomes brittle again, and breaks off in small pieces, when I make a destructive test, with a screwdriver.
Over time, I think that this material(bitumen) will be full of cracks.
_________________
Euro 924, 1976
"If you can't fix it, don't break it"
/P.G. Andersen |
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peterld
Joined: 10 Dec 2006
Posts: 981
Location: Noosa Heads QLD Australia
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| Posted: Wed Dec 14, 2011 2:03 pm Post subject: |
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Had the same problem about a year or so ago, and searched and searched. Finally decided on a product (actually several) from Design Engineering in Ohio (designengineering.com) .
Bought the 'floor and tunnel shield' for the firewall......bitch to cut and mould, but worth it once done; and the 'reflect-a-cool' for other areas near the turbo.
I can recommend the products, and the company was a joy to deal with.
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80/81 932/8 ROW |
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stevekat
Joined: 19 Jan 2008
Posts: 719
Location: Los Angeles, CA
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| Posted: Thu Dec 15, 2011 5:08 am Post subject: |
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Looks like surplus NASA rap from the LM.
_________________
"Never get out of the boat. Absolutely goddamn right. Unless you are goin' all the way."
Gone to new home: '81 924T, US version, CGT Intercooler, UTCIS-PT, Euro DITC, Greddy Trust MBC, Forged Fuchs Flat Dish 6's, Factory Recaro's. |
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