Little Things I've Noticed, CW Authenticity |
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914/4: 70 71 72 73 74 75 76 914/6: 70 71 72
Little Things I've Noticed, CW Authenticity |
McMark |
Oct 20 2005, 05:46 PM
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#1
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
This thread is for things I've noticed as I restore these cars. Just little concourse weenie tid bits here and there. Some things may be incorrect, but I stive for accuracy as much as possible. I'll be adding to this thread over time. So, without further ado...
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eric9144 |
Sep 21 2011, 09:10 PM
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#2
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Advanced Member Group: Members Posts: 2,739 Joined: 30-March 11 From: San Diego, CA Member No.: 12,876 Region Association: Southern California |
The vents aren't really for air flow in the sense of your vents on the dash, in fact not like that at all...
Ever been on the roof of a house? There's some odd ball small diameter pipes that come up through the roof above each bathroom...the vents are for your drains and they allow air to flow freely so when you flush you don't get the gurgling of air as it passes the fluids in the pipes...the vent allows air to draw in under the vacuum of the flush and keep the pressure neutral. The 914 vent tubes serve a similar purpose (in theory at least)...they balance the air pressure between two places (outside/inside), as air draws into the cabin via the vents in the front around the dash, it is drawn to the vents at the back of the firewall pad and out the vent tubes... |
SirAndy |
Sep 22 2011, 12:35 PM
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#3
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Resident German Group: Admin Posts: 41,806 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
The 914 vent tubes serve a similar purpose (in theory at least)...they balance the air pressure between two places (outside/inside), as air draws into the cabin via the vents in the front around the dash, it is drawn to the vents at the back of the firewall pad and out the vent tubes... (IMG:style_emoticons/default/agree.gif) Air flowing by the door gap is enough to draw a small amount of air from the inside through the tubes, thus helping the airflow inside the cabin. (IMG:style_emoticons/default/popcorn[1].gif) |
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