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Join Date: Oct 2002
Posts: 2,084
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Blocking off Center Outside Vent
Has anyone done this? I was thinking of taking the carcass of the HVAC blower unit and modding it with a drain tub etc but I just don't need to do all of that just blocking off the vent is better.
I want to maintain the stock appearance so I am wondering what type of material is best to use in conjunction with the OEM mesh screen, that looks OEM and is water tight/resistant. Thanks -
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Jeff Last edited by NoLift911; 01-12-2012 at 06:08 AM.. |
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01-10-2012, 10:13 AM
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Anyone?
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Jeff |
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01-12-2012, 06:09 AM
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porsher
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What's the goal?
I removed everything associated with heat, vent and AC to reduce weight. I made a simple cover from aluminum sheet using the mesh as a template. The cover had a soft rubber backing to seal against the opening. In the summer I was dying from the heat out here in the desert, so I made an aluminum plenum to direct the air from the opening into the center vent. I was amazed how much more air flowed through my home made duct in comparison with the stock set up. If you like I can take pics later.
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86 911 Race Car, with a few 993 bits in the boiler room 79 928 Race Car 88 928 Becoming a Race Car |
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01-12-2012, 06:25 AM
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Pics would be great.
Everything is removed. Goal is to prevent water from getting into trunk.
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Jeff |
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01-12-2012, 06:38 AM
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Join Date: Sep 2004
Location: Perth, Western Australia
Posts: 197
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I used the tube out of a bike tyre.
Cut it to size and shape, fits nice,water proof and can see its there....Black car  Paul
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83sc targa BBT |
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01-13-2012, 05:07 PM
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porsher
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Here is my block-off plate for use in the winter (below 60F!) and the plenum below the opening.
The design is basically a copy of a fiberglass part, Smart Racing I think, that was way expensive.  Here you can see the drain fitting, but the hose is MIA  This simple box gets lots of airflow, but in the summer I wanted more so squeezed one of those in-line blowers behind.  Finally i had some mandrel bends lying around, so i made a nozzle...  OK - what am I going to make today ;-)
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86 911 Race Car, with a few 993 bits in the boiler room 79 928 Race Car 88 928 Becoming a Race Car |
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01-15-2012, 07:52 AM
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