Air Filter Housing
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Senior User
Joined: Jan 2006
Posts: 100
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From: Northern Nevada
Air Filter Housing
Anyone have issues with dirty air getting past their air filters on their 7.3 PSD? I live in a very dusty part of the country and am off road frequently. I have checked my filter and found dust accumulating after the filter in the tube going to the turbo. I have repeatedly checked and cleaned this tube only to find dust. The tube is not broken, looks like a poor design. I am not real interested in a conversion because of all the hot air in the engine compartment. I have looked at the Ford AES filter but am not sure.
Postmaster
Joined: Jul 2004
Posts: 3,156
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From: Yuba City, CA.
If I were you, and living where you do, I would look into a S&B.
http://www.riffraffdiesel.com/mm5/me...ode=F731-IN-SB
http://www.riffraffdiesel.com/mm5/me...ode=F731-IN-SB
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Senior User
Joined: Jan 2006
Posts: 100
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From: Northern Nevada
Ive taped the seals of the airbox with black duct tape, I`m not sure about the 6637 mod because of all the hot air that is sucked into the engine,have you noticed any performance issues.
Senior User
Joined: Aug 2009
Posts: 459
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From: Show Low, AZ
desertsled I have done a ton of research on air filters and housing / cold air intakes. I live in Arizona, like you very hot and dusty. The difference in the air temp is going to be minimal if at any. A lot of folks on this site run the 6637 and have had no problems with them. I just installed mine this weekend with a Pete's cover and man I can hear the difference. If you can afford it go with the S and B cold air intake. Excellent filter and intake but quite spendy. just my .02 though.
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Of the next Riffraff East
Joined: Oct 2004
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From: Concord NC
Hot air not's nearly as bad as dust, and there's just no real data that proves the air difference is even there.
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Fleet Mechanic
Joined: Nov 2008
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From: Seattle
I personally, question the whole issue with the difference in underhood temperature air vs. ambient. Let's say you've got a 20-30F difference in underhood intake air on a 70F day. So your intake air temps are 90-100F.
Is this going to run differently or worse than a truck from Alaska in the winter on a -5F day? With underhood temps at 15-25F?
Surely if my thinking is flawed, someone will point it out, but there is so much hype and marketing around the 'cold air intake' concept I wonder about it's validity.
It's hard for me to think that trucks from colder climates run better than trucks from warmer ones.
Is this going to run differently or worse than a truck from Alaska in the winter on a -5F day? With underhood temps at 15-25F?
Surely if my thinking is flawed, someone will point it out, but there is so much hype and marketing around the 'cold air intake' concept I wonder about it's validity.
It's hard for me to think that trucks from colder climates run better than trucks from warmer ones.
Postmaster
Joined: Jul 2004
Posts: 3,156
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From: Yuba City, CA.
Here you go.
http://www.riffraffdiesel.com/mm5/me...e=F731-IN-6637