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CaptDave1303
Samba Member
Joined: March 24, 2018
Posts: 49
Location: New York
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 Posted: Sat Dec 22, 2018 6:55 am Post subject: Crescent vent close up? |
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| I will be replacing death foam area with new metal. Is it a good idea to keep the vents or weld them shut? For those who closed vents off what did you do with the indents? Wondering how closed vents with black painted indents would look... |
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theKbStockpiler
Samba Member
Joined: July 07, 2012
Posts: 2316
Location: Rust Belt
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| Posted: Sat Dec 22, 2018 7:45 am Post subject: Re: Crescent vent close up? |
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The vents are so the fresh air from the heating system does not pressurize the cabin. If it gets pressurized, the air has no where to go.
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Last edited by theKbStockpiler on Sat Dec 22, 2018 4:01 pm; edited 1 time in total |
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andk5591
Samba Member
Joined: August 29, 2005
Posts: 16757
Location: State College, PA
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| Posted: Sat Dec 22, 2018 7:51 am Post subject: Re: Crescent vent close up? |
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But they were not in early cars, however you were open from the headliner to the engine compartment and only blocked with those pillows. So if you you don't totally seal that space where the death foam was I don't see any problem. And if it were me, I would get rid of them.
In fact curious when VW actually started using the foam...I assume it was when they did the vents, but I think it may have been earlier....Anyone know?
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There's more, but not keeping them... |
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Mike Fisher
Samba Member
Joined: January 30, 2006
Posts: 17969
Location: Eugene, OR
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| Posted: Sat Dec 22, 2018 12:03 pm Post subject: Re: Crescent vent close up? |
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| theKbStockpiler wrote: |
The vents are so the fresh air from the heating system does not pressurize the cabin. If it gets pressurized, the air has no were to go. |
Close the outside 1/4 moon openings, but leave the inner ovals for better summer ventilation & winter condensation removal.
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Onceler
Samba Member
Joined: May 28, 2010
Posts: 1646
Location: Indiana
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| Posted: Sat Dec 22, 2018 10:12 pm Post subject: Re: Crescent vent close up? |
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| andk5591 wrote: |
But they were not in early cars, however you were open from the headliner to the engine compartment and only blocked with those pillows. So if you you don't totally seal that space where the death foam was I don't see any problem. And if it were me, I would get rid of them.
In fact curious when VW actually started using the foam...I assume it was when they did the vents, but I think it may have been earlier....Anyone know? |
My ‘67 had the foam, no vents though
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1972 Karmann Ghia |
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viiking
Samba Member
Joined: May 10, 2013
Posts: 2668
Location: Sydney Australia
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| Posted: Tue Jan 01, 2019 7:37 pm Post subject: Re: Crescent vent close up? |
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| My '68 still had pillows. Sure your foam wasn't added by a PO? |
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67ctbug
Samba Member
Joined: January 24, 2016
Posts: 3619
Location: CT
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| Posted: Tue Jan 01, 2019 8:45 pm Post subject: Re: Crescent vent close up? |
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My '67 has foam.
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| KentPS wrote: |
...or the PO envied the terrorists' bus in "Back to the Future".  |
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