 Blend door foam, non Porsche question |
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| narino |
 Aug 25 2020, 08:35 PM
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#1
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Member  Group: Members Posts: 234 Joined: 14-August 07 From: Los Angeles, CA Member No.: 8,001 Region Association: None 
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My apologies if this is posted under the wrong topic section. I'm tearing my hair out and stuck. Unfortunately the mustang forums I post to had no replies.
I'm working on my other girl's heater core (91 mustang), and decided to redo all the foam on the blend doors. I saw on the interwebs that older cars supposedly had used 100% wool felt prior to foam becoming the popular material of choice. So I bought some, and stuck it on. Unfortunately the felt is too thick and it's not letting the door make a good seal when closed, see pic below. I have not been able to locate any thinner 100% wool felt. Supposedly the readily available 100% polyester felt found at craft stores will deteriorate after a few years. I also read the open cell foam from the big box stores would also fall apart after a few years. I really do not want to do this job twice. So here I am, with less hair and stuck. Does anyone have any tips or a source for some felt or foam that would work for this application? Any insight would be greatly appreciated. Thank you, Jorge  |
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| Chris914n6 |
Aug 25 2020, 11:33 PM
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#2
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Jackstands are my life. Group: Members Posts: 3,465 Joined: 14-March 03 From: Las Vegas, NV Member No.: 431 Region Association: Southwest Region |
Maybe it was wool in the 60s mustang but the 914 uses foam. All the later cars I've seen have been closed cell foam which is what Vintage Air & others use.
In that application I doubt it was a whole sheet. More likely just the perimeter. |
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| Arno914 |
Aug 26 2020, 03:08 AM
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#3
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Member Group: Members Posts: 233 Joined: 13-May 20 From: near Frankfurt, Germany Member No.: 24,260 Region Association: Germany
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Hello Jorge,
Maybe filter material (filter fleece) that is used to protect fans in tooling machines from dust will work? Should be available in industrial supply stores. Greets, Arno (IMG:http://www.914world.com/bbs2/uploads_offsite/up.picr.de-24260-1598432892.1.jpg) |
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| narino |
Aug 26 2020, 08:27 AM
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#4
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Member Group: Members Posts: 234 Joined: 14-August 07 From: Los Angeles, CA Member No.: 8,001 Region Association: None
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Chris - I'll give Vintage Air a call. Maybe I can buy some foam from them?
Arno - Good idea with the filter fleece. If I can't find a foam source I'll buy some and see if fits. Thanks guys! (IMG:style_emoticons/default/beerchug.gif) |
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| Chris914n6 |
Aug 26 2020, 12:21 PM
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#5
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Jackstands are my life. Group: Members Posts: 3,465 Joined: 14-March 03 From: Las Vegas, NV Member No.: 431 Region Association: Southwest Region |
QUOTE(narino @ Aug 26 2020, 07:27 AM)  Chris - I'll give Vintage Air a call. Maybe I can buy some foam from them? It's readily available on amazon/ebay/aliexpress. It's also used in car sound deadening with PSA (Pressure Sensitive Adhesive). example |
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| burton73 |
Aug 26 2020, 12:41 PM
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#6
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Senior member, and old dude Group: Members Posts: 3,821 Joined: 2-January 07 From: Los Angeles Member No.: 7,414 Region Association: Southern California
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Felt that is used for the bottom of furniture legs. Different thickness and it is very dense.
Take a look Bob B |
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| BillC |
Aug 26 2020, 01:48 PM
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#7
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Senior Member Group: Members Posts: 628 Joined: 24-April 15 From: Silver Spring, MD Member No.: 18,667 Region Association: MidAtlantic Region
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Can you slice that layer of felt in half? Make it half the thickness?
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| theer |
Aug 26 2020, 03:35 PM
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#8
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Senior Member Group: Members Posts: 691 Joined: 31-July 15 From: Dover, MA Member No.: 19,014 Region Association: North East States
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I googled “automotive wool felt” and found material as thin a 1/16”.
Unfortunately, it’s sold by the yard, so probably way more than you need. Try an car upholstery shop? |
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| narino |
Aug 26 2020, 03:55 PM
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#9
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Member Group: Members Posts: 234 Joined: 14-August 07 From: Los Angeles, CA Member No.: 8,001 Region Association: None
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I knew you guys would come up with a few different ways to attack the problem! In between the different wools/felt or foam one should be the right fit.
I'll report back once I test them out and find the goldilocks answer. Thanks all! (IMG:style_emoticons/default/beerchug.gif) |
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