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Old 03-31-2013, 12:02 PM   #1
Join Date: Apr 2012
Posts: 5
How keep dust out?

Lots of long straight dirt roads in my area. When I have the top down, the aerodynamics are such that dust gets sucked into the cab from the rear… It literally flows into the back from behind the spare tire area. The only way to stop this is to put the top up (no fun) or slow down (no fun either). Just curious if anyone has any other solution to preventing the dust from flowing into the cab? It’s a 2012 2-door wrangler.

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Old 03-31-2013, 12:07 PM   #2
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Drive really fast.

Life, Liberty and the pursuit of anyone that threatens it!
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Old 03-31-2013, 12:39 PM   #3
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Location: Heart O' Texas
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Nature of the beast. Only way I'd see with out slowing down or using the top wold be to build some sort of spoiler or wing to change the air flow in the rear....and that would just be silly. My old K5 Blazer had a factory one mounted to the top of the rear window to help keep dirt/road grime/rain off the rear window and keep the exhaust from being sucked in with the window down. Worked good, but looked dumb.

It's the same way where I go a lot. It kinda sucks breathing it all in and having to wipe down the interior so much
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Old 03-31-2013, 01:47 PM   #4
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Aside from making the cabin a positive pressure chamber, it is physically impossible.

You would have to raise the cabin pressure to that above the ambient air pressure outside of the Jeep to keep external contaminants out, along with placing a suitable cabin intake air filter to capture dust as it enters into the intake flow of the cabin air.
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Old 03-31-2013, 02:05 PM   #5
Join Date: Jan 2013
Location: CA
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The upright windshield and square rear end create an eddy where the air turbulence curls back towards the front.

Just comes with the territory.
1990 Wrangler 4.2L
Howell TBI, 2.5" OME springs; OME Nitroshocks; 5/8" OME shackles; Swaybar discos; 31" tires/15" rims
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Old 03-31-2013, 02:14 PM   #6
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Join Date: Aug 2011
Location: Eden Utah
Posts: 1,656
Dusty interior's cool, shows you rock it offroad.
Personally, a fitted sheet over the back seat with bungies is all I do. Everything else can be vaccumed and wiped down. I rarely have passengers in the back, but i wouldn't want to sit in a dusty dirty seat either.
otherwise be sure to be the first in the convoy or keep the top up and windows in and save the top down for posing around town.
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Old 03-31-2013, 07:55 PM   #7
Join Date: Apr 2012
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yeah, thats what i kinda figured... i could probably rig something up but it would look damn silly. thanks for the responses.
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Old 04-02-2013, 11:35 AM   #8
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Originally Posted by billygoat View Post
yeah, thats what i kinda figured... i could probably rig something up but it would look damn silly. thanks for the responses.
A camo fitted sheet wouldn't look bad



Do not argue with and idiot......he will drag you down to his level and beat you with experience!
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