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Unread 05-02-2010, 12:17 PM   #1
JUNK726
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Which K&N air filter with Motorcraft 2100?

i just did the Motorcraft carb swap..and am dialing in the details..wondering which K&N to use? i have the cheap-o 9'' chrome air filter assembly from Napa..but it came with a paper air filter.. i am a newbie to Jeep world..BUT always ran K&N style on all my bikes..they treated me well..and wondering ur guys input.. im assuming the more air filter u can get the better she breathes.. im just not comfy with a $15 air assembly..so was gonna swap into the assembly a k&N part #E-3530?..its 9''x2.875'' high... or so it says..it will clear my hood...thanks guys! also..man..i wish i could post sum pics of my build! BUT i cant figure out how to load pics on to this thing without a website?? man im old..i just wanna load em from my computer!!

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Unread 05-02-2010, 01:12 PM   #2
Pacfanweb
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I wouldn't use one, personally. K&N's are barely a hiccup on dirt's path into your engine. Use a stock-style paper filter.
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Unread 05-02-2010, 02:26 PM   #3
JUNK726
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really? wow..ok..anybody else? paper is better than K&N style?? i planned on keeping my paper in my storage box for a spare and running a taller k&n..i like that they are reusable and washable..and sooo happy to be rid of that stock airbox! anyways thanks all!
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Unread 05-02-2010, 03:52 PM   #4
Oily
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Quote:
Originally Posted by JUNK726 View Post
.... paper is better than K&N style??
... i like that they are reusable and washable..
Don't they have to be treated with oil of some sort ? The oil is what filters/catches the dirt.
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Unread 05-02-2010, 04:34 PM   #5
Pacfanweb
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Quote:
Originally Posted by Oily View Post
Don't they have to be treated with oil of some sort ? The oil is what filters/catches the dirt.
Yes, and they also let LOTS of dirt through. Their efficiency is pitiful.

Read this test and see if you still want K&N filter.

Quote:
That said, both the cotton gauze type (K&N) and foam filters (Amsoil & Jackson Racing) showed the same levels of filtration. Both performed poorly compared to the fiberous or paper filters (Napa, Baldwin, and Mazda).
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