k&n oiled air filter good or bad ? - Dodge Cummins Diesel Forum
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post #1 of 8 (permalink) Old 06-04-2013, 12:02 AM Thread Starter
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k&n oiled air filter good or bad ?

Hey guys I was thinkin about het a k & n air fitler for my 2012 6.7 am I just lookin for pros/cons. A little reminder I have my turbo baffle out will it affect anything? Another question . I live in central arkansas but I work in cherokee oklahoma which os about a 900 miles round trip . I go there for two weeks then im off for two weeks . I have a little over 4400 miles and I was wonderin how oftten should I change my oil

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post #2 of 8 (permalink) Old 06-04-2013, 12:14 AM
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Horrible idea!!! Really, K&N is the absolute bottom of the line filter for a diesel truck. Any oiled filter IMO, is not good for the turbo impeller vanes. Look at an aftermarket "dry flow" filter


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post #3 of 8 (permalink) Old 06-04-2013, 12:16 AM Thread Starter
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Are they reuasble? What abput the oil change
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post #4 of 8 (permalink) Old 06-04-2013, 12:28 AM
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Originally Posted by thornton weldin View Post
Horrible idea!!! Really, K&N is the absolute bottom of the line filter for a diesel truck. Any oiled filter IMO, is not good for the turbo impeller vanes. Look at an aftermarket "dry flow" filter


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Are they reuasble? What abput the oil change

they do not belong in a turbo diesel, I had a drop-in K&N element in my '01, I looked at the turbo about 8K mi. later and the compressor wheel was BLACK with dirt/oil(from the filter). it was factory oiled and installed by their directions and it did NOTHING good! the Cummins pulls way too much air for a K&N and will pull the oil out of the filter and then allow dust into the engine thru the now-too-dry-to-do-its-job filter.

as to the oil change, the truck will tell you when it is due, don't rush it! mine didn't tell me I needed to change the oil until ~ 7500 mi.

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post #5 of 8 (permalink) Old 06-04-2013, 12:33 AM Thread Starter
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Welly change oil light came on when I had like 2800 miles nd I called my dealer n they said just reset itand I can get atleast c
6000 mile before it need to be chnged . But I just didnt kno if drivin 7 hours straight or round trip 900 miles would shorten that
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post #6 of 8 (permalink) Old 06-04-2013, 08:35 AM
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Originally Posted by cumminsruffneck View Post
Welly change oil light came on when I had like 2800 miles nd I called my dealer n they said just reset itand I can get atleast c
6000 mile before it need to be chnged . But I just didnt kno if drivin 7 hours straight or round trip 900 miles would shorten that
I would change the oil. I guess the dealer didn't want to deal with changing your oil.

Lots of guys here get what seems like a small change interval the first time. I just changed my oil for the first time at 2K miles, as I wanted to get that first oil out of the truck. I also don't rely heavily on the light, but having said that, if your light comes on before the change interval you decide on, then go with the light. Otherwise go with your change interval you feel is right for you.

Also, a long road trip is really the best thing you can do for your truck's oil. If your not deleted, long trips let the truck use passive regens, and your oil is not getting diluted with fuel.


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post #7 of 8 (permalink) Old 06-04-2013, 11:27 AM
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Originally Posted by cumminsruffneck View Post
Hey guys I was thinkin about het a k & n air fitler for my 2012 6.7 am I just lookin for pros/cons. A little reminder I have my turbo baffle out will it affect anything? Another question . I live in central arkansas but I work in cherokee oklahoma which os about a 900 miles round trip . I go there for two weeks then im off for two weeks . I have a little over 4400 miles and I was wonderin how oftten should I change my oil

Thanks fellas !
This has been over talked about, do a search and don't run one on your truck unless you want to sand blast the inside of your engine.

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post #8 of 8 (permalink) Old 06-05-2013, 08:39 PM
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I've been hearing the "no K&N thing" since joining in 08. It's almost like the "I wouldn't grease my axles with Quaker State motor oil" thing.

Anyway, you'd think K&N would iron that one out.

They'd need a constantly running infomercial to even start to undo their bad reputation with regards to our application.


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