Offroad air filter options?
- Thread starter uRabbit
- Start date
1990heepxj
NAXJA Forum User
- Location
- Apple Valley, Ca
keep forgetting to measure but what size tube is it that fits the rubber elbow of the factory intake tube?
lazyxj
NAXJA Member #1310
- Location
- Los Angeles
The simplest system is using a stock air box with a cowl intake.
http://www.flickr.com/photos/lwade/sets/72157622703531169/
It keeps the water out and provides cooler intake air.
Insulate everything you can.
http://www.flickr.com/photos/lwade/sets/72157622703531169/
It keeps the water out and provides cooler intake air.
Insulate everything you can.
I think you're right. I'm leaning towards that build. I'll have to get a box from the junkyard, get a nice drop in filter, and the rest of the parts. The wrapping is just heat resistant wrap, right? What's the real term for it so I can fond it easily.
slappomatt
NAXJA Forum User
- Location
- San Diego CA,
Just keep in mind the K&N filters remove almost nothing from the air. Their airflow is a direct result of larger openings for air to pass through allowing more dirt to flow in as well. I wouldn't put one on anything I plan to keep. I hear good things about the AEM dryflow filters but Its too soon for me to comment on them seriously. In theory I much prefer them to K&N or foam type air filters.
- Location
- WA state
Green Air filter.. better than K&N
Item # G512004
greenfilterusa.com
Item # G512004
greenfilterusa.com
I absolutely despise K&N. In my MINI Cooper S, I installed an intake and heat shield that resulted in what I'd call a "luke-warm intake," and got better results than with K&N. Both performance-wise and the life of the filter. It was a Spectre Performance filter from Schucks. All the parts came to $35.
I'll look into AEM, but chances are I'll go with the cheapest cotton fiber filter I can find.
I'll look into AEM, but chances are I'll go with the cheapest cotton fiber filter I can find.
Can't find that part number...
4WDlifeform
NAXJA Forum User
- Location
- Beaver Falls, PA
The round thing is the cruise servo-vacuum-thingy. I am "ify" when it comes to messing with vacuum lines... I would just re-locate it.. but look into removing it, im sure there is a way.
The driver side cowl area is the home of the wiper motor indeed. Another problem with putting the filter there is the fact that there is no "roof" to keep the filter from getting rained on. That is the side where the air is supposed to enter the cowl for your HVAC. When you pull your plastic cover thing, you will see that the vent is "fake" (does not have holes) on the passenger side. The driver side has holes.
On the other hand, there is another option, if you can/want to keep your stock air box. I linked a thread below. People have kept the stock air box, and just ran the intake for the box into the driver side cowl. Two great ways to achieve the same goal.
I used this link as the main motivator for my build:
http://ericsxj.com/intake/intake.htm
Use THAT FILTER. If you go this route, that filter is the exact size and has a good CFM (cubic feet/minute) for the 4.0.
And the thread the link resides:
http://www.naxja.org/forum/showthread.php?t=1016358&highlight=cowl+intake
Here is how mine turned out:
Best of luck to you!
- Location
- WA state
http://www.discountairintake.com/store/?Ntt=G512004&N=0
Part Number: 2004
Some also use a cone filter in the stock airbox in place of the panel.
I guess they changed the PN.. now the PN is 2004
Part Number: 2004
Some also use a cone filter in the stock airbox in place of the panel.
I guess they changed the PN.. now the PN is 2004
Last edited:
lazyxj
NAXJA Member #1310
- Location
- Los Angeles
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Use a good paper filter in the stock box. Here is the one I use.
Purolator PA24372
http://www.purolatorautofilters.net...264&yid=29&make=JEEP&model=Cherokee&year=2001
http://www.purolatorautofilters.net/products/air_filters/Pages/pureoneairfilters.aspx
I never see any moisture or dust inside the throttle body intake hose, a good sign that the air box and filter are doing their job.
I wrapped the air box and hose with thin foam rubber and covered with a cut up folding silverized dash sunshade. The seams are sealed with metal mending tape (from Lowes). In between the box and exhaust manifold, I installed a heat shield made from a dual-layer cookie sheet.[/FONT]
Use a good paper filter in the stock box. Here is the one I use.
Purolator PA24372
http://www.purolatorautofilters.net...264&yid=29&make=JEEP&model=Cherokee&year=2001
http://www.purolatorautofilters.net/products/air_filters/Pages/pureoneairfilters.aspx
I never see any moisture or dust inside the throttle body intake hose, a good sign that the air box and filter are doing their job.
I wrapped the air box and hose with thin foam rubber and covered with a cut up folding silverized dash sunshade. The seams are sealed with metal mending tape (from Lowes). In between the box and exhaust manifold, I installed a heat shield made from a dual-layer cookie sheet.[/FONT]
I was thinking of running a cone in there, but can't honestly figure out the benefit of doing so.
- Location
- WA state
I believe some of the cone filters flow better
yossarian19
NAXJA Forum User
- Location
- Grass Valley, CA
The question is whether they FILTER better.
Has anyone found a paper filter that will fit in the cowl? I'd like to free up some space under the hood and keep good filtering characteristics if I can.
Has anyone found a paper filter that will fit in the cowl? I'd like to free up some space under the hood and keep good filtering characteristics if I can.
Pictures?
