quick question on 6637 mod
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Senior User
Joined: Jan 2008
Posts: 477
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quick question on 6637 mod
is there a way to rig up the replace air filter indicater thats on the stock air box in the tube somewhere with the 6637 filter? did you guys just leave it out or put it on in a different location. i'm asking cause ill be doing this mod and would like to keep it on somewhere.
Postmaster
Joined: Sep 2007
Posts: 4,195
Likes: 6
From: Medford Oregon
I think most of us just leave it out. The 6637 is so big the filter would have to be really clogged before it would indicate anything. I've seen a few photos how some do it and maybe they will chime in here with a photo.
Tuned
Joined: Jun 2004
Posts: 472
Likes: 4
From: Goodyear, AZ
You would probable have to drill a whole somewhere on your intake tube after the filter and then put it on and make sure it is sealed really well, but like Hussler said, most just leave it off since you can visually see your filter being clogged way before that little filter minder would tell ya.
Hotshot
Joined: Oct 2003
Posts: 17,791
Likes: 99
From: Ashland City, TN
There is a guy who made one, he just drilled a hole in the center with a rubber gromit of the end and placed it in there.
The thing is, these filters flow so much, I don't think it would ever give you an accurate reading. You'll be able to tell if they are no good.
The thing is, these filters flow so much, I don't think it would ever give you an accurate reading. You'll be able to tell if they are no good.
Postmaster
Joined: Sep 2007
Posts: 4,195
Likes: 6
From: Medford Oregon
I've had mine on for 15K and will be replacing it soon. Its working just fine just getting kind of dirty looking.
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Hotshot
Joined: Dec 2005
Posts: 10,246
Likes: 7,660
From: Chino Valley, Arizona
here is a 6637 off of a ranch truck I changed this morning, I drovee the truck 90 miles to my shop had full power and no black smoke. they would have kept running this filter a lot longer. this truck sees almost only dirt and back country roads. the dirt is what came out tapping it on the floor about 10 times,
this is after I threw it out of the truck and kicked it out of the way a few times.
I will see if my scales can weigh it and compare it to a new one.
<a href="http://s527.photobucket.com/albums/cc359/mrhelifixer/?action=view¤t=IMGP5213.jpg" target="_blank"><img src="http://i527.photobucket.com/albums/cc359/mrhelifixer/IMGP5213.jpg" border="0" alt="Photobucket"></a>
<a href="http://s527.photobucket.com/albums/cc359/mrhelifixer/?action=view¤t=IMGP5214.jpg" target="_blank"><img src="http://i527.photobucket.com/albums/cc359/mrhelifixer/IMGP5214.jpg" border="0" alt="Photobucket"></a>
this is after I threw it out of the truck and kicked it out of the way a few times.
I will see if my scales can weigh it and compare it to a new one.
<a href="http://s527.photobucket.com/albums/cc359/mrhelifixer/?action=view¤t=IMGP5213.jpg" target="_blank"><img src="http://i527.photobucket.com/albums/cc359/mrhelifixer/IMGP5213.jpg" border="0" alt="Photobucket"></a>
<a href="http://s527.photobucket.com/albums/cc359/mrhelifixer/?action=view¤t=IMGP5214.jpg" target="_blank"><img src="http://i527.photobucket.com/albums/cc359/mrhelifixer/IMGP5214.jpg" border="0" alt="Photobucket"></a>
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Fleet Mechanic
Joined: Mar 2007
Posts: 1,313
Likes: 6
From: Rio Rancho NM
I change mine when the turbo whistle starts to muffle, unless I can clean it some. We get lots of dust here in the southwest but I don't drive it much so my 6637 lasts a while. Never seen a speck or trace of dirt past the filter.
More Turbo
Joined: Aug 2002
Posts: 583
Likes: 46
From: Utah
I work for the city and picked mine up at NAPA. I called them and they told me $52. When I showed up in my city vehilce they gave it to me for $20. I guess because they have a contract with the city so they gave it to me for the city price. They are marking them up big time!