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Slumlord
Join Date: May 2001
Location: Canada
Posts: 4,983
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Sound Pad - Best Adhesive
While my engine is out I'm cleaning up the engine bay.
Any suggestions for sound pad installation adhesive? I'm leaning towards 3M spray adhesive, or should I use the 3M weatherstriping stuff in the tube? 
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10-31-2003, 04:36 AM
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Registered
Join Date: Mar 1999
Location: Cornwall-on-Hudson, New York, USA
Posts: 4,499
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I used the 3M heavy-duty spray adhesive--as I remember there's a regular and an HD--andf certainly for the last two years it's worked fine.
Stephan
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Stephan Wilkinson '83 911SC Gold-Plated Porsche '04 replacement Boxster |
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10-31-2003, 05:09 AM
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Irrationally exuberant
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3M Super Spray Trim Adhesive. There is a regular version of this, the "Super" version is rated for higher temps I think.
-Chris
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'80 911 Nogaro blue Phoenix! '07 BMW 328i 245K miles! http://members.rennlist.org/messinwith911s/ |
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10-31-2003, 05:28 AM
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Friend of Warren
Join Date: Oct 2000
Location: Lincoln, NE
Posts: 16,494
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I think 3M calls all their spray adhesives "Super." The two I have used are Super 77 and Super 88. The 77 is for things you may want to remove later, like carpeting. The 88 is for things you want to stay in place forever.
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Kurt V No more Porsches, but a revolving number of motorcycles. |
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10-31-2003, 05:36 AM
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Irrationally exuberant
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'80 911 Nogaro blue Phoenix! '07 BMW 328i 245K miles! http://members.rennlist.org/messinwith911s/ |
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10-31-2003, 05:41 AM
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Friend of Warren
Join Date: Oct 2000
Location: Lincoln, NE
Posts: 16,494
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Hah! We are both right! Feel the Love!
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Kurt V No more Porsches, but a revolving number of motorcycles. |
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10-31-2003, 06:06 AM
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Registered
Join Date: Dec 1999
Location: Novato, CA
Posts: 4,740
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It's not the adhesive but the cheap foam on the pad that breaks down with heat and time that will cause your pad to sag regardless of what adhesive you use. You may notice how the old deteriorated foam is still stuck to the adhesive when you remove the old pad.
I'm thinking of drillng and installing those black plastic buttons that hold up hood blankets on normal everyday generic cars as a permanent fix. Cheers, Joe Last edited by stlrj; 10-31-2003 at 09:06 AM.. |
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10-31-2003, 08:55 AM
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Too big to fail
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3M Super 90
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"You go to the track with the Porsche you have, not the Porsche you wish you had." '03 E46 M3 '57 356A Various VWs |
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10-31-2003, 08:57 AM
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SCWDP- Shock and Awe Dept
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I went w/ the Appbiz sound mat. I used 3M Super 77 and screws w/ plastic large area washers in the middle and sides where they often sag.
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Ryan Williams, SCWDP '81 911SC Targa 3.6 '81 911SC Coupe 3.2 #811 '64 VW Camper Bus, lil' Blue |
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10-31-2003, 09:01 AM
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Senior Member
Join Date: Nov 2000
Location: Great NorthWest
Posts: 3,944
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Fit the soundproofing pad to the firewall. Note how you'll need to tuck the bottom sections in: do this now being sure to leave enough at the top end to fit nice and cleanly under the foldable tabs you'll find there.
Pull the pad back now, but leave the bottom tucked in. Spray 1/2 a foot on the firewall and the same on the pad. Stick them together, and then pull them apart. Wait two minutes, then, from the center out, put the two together. Ladder up the pad using the same technique for a foot at a time until you have tucked the top in. The newer sound pads do not deteriorate like the older ones did: better material is used. John
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'78 Targa in Minerva Blue |
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10-31-2003, 09:07 AM
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Registered
Join Date: Dec 1999
Location: Novato, CA
Posts: 4,740
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It's quite possible you may not need any adhesive at all if you use fender washers/screws or the generic plastic keepers that regular cars use.
I had to replace the hood blanket on the wifes Olds 98 and no adhesive was used, only the plastic keepers. Cheers, Joe |
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10-31-2003, 09:14 AM
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Registered
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So which sound pad have you guys found to be better? I need to do mine eventually. Maybe when the engine is out for a new clutch.
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Harlan Chinn Pacific Northwest Region 1998 Carrera S ArcticSilverMetallic 1982 911SC PazificBlauMetallic |
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10-31-2003, 11:35 AM
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Registered
Join Date: Dec 1999
Location: Novato, CA
Posts: 4,740
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I cut my own using my old pad as a template over a gray carpet pad that came from a Buick Le Sabre trunk that I found at Pick and Pull.
No way am I paying $150 for a piece of garbage that falls apart in a couple of years. Joe |
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10-31-2003, 02:02 PM
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The Blue Pheonix
1981 Porsche 911SC Targa 3.6
1982 Porsche 911SC 3.0 litre
Katja
