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Old Jan 29, 2010 | 08:37 PM
  #1  
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6637

i have a AFE stage 1 intake, but i was wondering if i could tell a difference if i got a 6637? thanks
 
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Old Jan 29, 2010 | 08:40 PM
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I do not think you will feel a ''seat of the pants'' difference but rest assure,your turbo will be getting very clean air
If you decide to go withthe 6637,Clay(Riffraff) has the best price on them and he has a kit to switch your truck overe to one....Good luck
 
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Old Jan 29, 2010 | 08:50 PM
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Having been a moderator on other performance boards, I have to admit that there is a fixation for air intakes amongst the enthusiast crowd.

It's probaly because they're relatively cheap and easy to drop in.

I wouldn't look for huge hp/torque gains from an intake, but something that riverrat mentions is that real important is clean air, especially with the turbo being downstream.

I'd invest in an intake for that reason.
 
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Old Jan 29, 2010 | 09:26 PM
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Has anyone come up with a way to eliminate the noise of the 6637, I tried one and took it off because of the noise. I pull a camper, and it starts to get annoying after a few days on the road. The noise after 6 or 7 hours of driving is just about too much.
 
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Old Jan 29, 2010 | 09:29 PM
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Are you talking about whistle or turbo surge.I can understand not likeing the sureg but I like to hear the turbo sing.JMO
 
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Old Jan 29, 2010 | 09:37 PM
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Originally Posted by riverrat41
Are you talking about whistle or turbo surge.I can understand not likeing the sureg but I like to hear the turbo sing.JMO
Its a totally different sound when you set and drive at a steady RPM for hours. It is not like driving around town. ( I like that too ) But 300 miles at a time is a bit much.
 
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Old Jan 29, 2010 | 09:54 PM
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Not much you can do, all open are element filters will be the same. I personally don't notice it, but everyone notices different things.
 
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Old Jan 29, 2010 | 09:57 PM
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Originally Posted by Bob Taulbee
Has anyone come up with a way to eliminate the noise of the 6637, I tried one and took it off because of the noise. I pull a camper, and it starts to get annoying after a few days on the road. The noise after 6 or 7 hours of driving is just about too much.
Yep, either build your own filter shroud or put on a different intake that comes with a filter shroud.
 
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Old Jan 30, 2010 | 08:01 AM
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Originally Posted by Bob Taulbee
Its a totally different sound when you set and drive at a steady RPM for hours. It is not like driving around town. ( I like that too ) But 300 miles at a time is a bit much.
What you're referring to is drone. As Clux mentioned, the way to kill the drone is to build a box around the filter or buy a CAI that comes with a box around it. Otherwise go with the Ford AIS set up.
 
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Old Jan 30, 2010 | 09:31 AM
  #10  
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Thanks Chris,

I like the AIS set up, I just don't like the price. I may try to come up with some way to isolate the 6637. If I use 6637 sealing it up air tight won't be a big concern. We will see what can be done.
To be honest I can't see any performance difference or fuel milage change with the 6637. Thanks again.
 
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Old Jan 30, 2010 | 10:19 AM
  #11  
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Originally Posted by Bob Taulbee
Thanks Chris,

I like the AIS set up, I just don't like the price. I may try to come up with some way to isolate the 6637. If I use 6637 sealing it up air tight won't be a big concern. We will see what can be done.
To be honest I can't see any performance difference or fuel milage change with the 6637. Thanks again.
I can get you this one for $245 plus shipping. AMSOIL - 7.3L PowerStroke Air Induction System
This is a Donaldson system
 

Last edited by HD Rider; Jan 30, 2010 at 10:21 AM. Reason: Edited to add:
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Old Jan 30, 2010 | 10:31 AM
  #12  
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Originally Posted by Bob Taulbee
Thanks Chris,

I like the AIS set up, I just don't like the price. I may try to come up with some way to isolate the 6637. If I use 6637 sealing it up air tight won't be a big concern. We will see what can be done.
To be honest I can't see any performance difference or fuel milage change with the 6637. Thanks again.
It can be done. Here's mine



Link to the original thread https://www.ford-trucks.com/forums/7...ml#post5891945

and here's the nicer one Jim built https://www.ford-trucks.com/forums/7...d-air-box.html
 
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Old Jan 30, 2010 | 10:59 AM
  #13  
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From: San Antonio Tx.
Originally Posted by HD Rider
I can get you this one for $245 plus shipping. AMSOIL - 7.3L PowerStroke Air Induction System
This is a Donaldson system
Thanks for the info. I would like to stay with 6637 if I can fix the noise problem.
 
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Old Jan 30, 2010 | 11:03 AM
  #14  
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Yep -- just put a Chris-Box around it. I have been thinking about it as well. It's not for the sound though -- I like it! Been on many long drives and it doesn't bother me. I just want to get the thing sucking outside air. Partially for principal, partially so my AIT sensor can double as an external air temp sensor that I don't have... LOL

Chris -- if you have some spare time, let hook up and tackle this... I'm buying lunch/dinner/beer... Whatever it takes.
 
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Old Jan 30, 2010 | 11:09 AM
  #15  
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Bob Taulbee
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From: San Antonio Tx.
Chris thanks for the pics of your fix, and Jim's, I like both. My only question is what did it do for the noise. I was looking at totally enclosing the 6637 with a cold air duct. Maybe with fiber glass or some ABS plastic. I have a lot of time to work on it, I think it will be a fun project.

Thanks again
 
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