K&N Airfilter? - Ranger-Forums - The Ultimate Ford Ranger Resource


4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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  #1  
Old 09-28-2004
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is the k&n worth buying?
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  #2  
Old 09-28-2004
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i havent yet done it myself but ive been hearing good things aobut the kn air filters... are you going to replace the filter in your air box or do one of the cone ones?? my friend has a hoda civic and he has a aem intake and it sounds "ok" when he revs it up its like a sound of the air being sucked in. i plan on doing the cone b/c itll look cool i hope but if you want your engine to breathe better id do it. hope that helps...
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  #3  
Old 09-28-2004
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i hada cold air intake on my 02 civic....... hehe, i dontl ike them mainly because i had to buy a new motor for my civic when i ran into a puddle and sucked in alot of water..... so.... i mgonna do the air box filter
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  #4  
Old 09-28-2004
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if your just gonna get one for the airbox get an amsoil cheaper and better imo

If you go cold air intake get a mac
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  #5  
Old 09-28-2004
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im not getting a cai...
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  #6  
Old 09-29-2004
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if you want a drop in filter i still have the one from my truck!!! i now have an intake. i also have an extra cleaning kit. PM me if you are interested
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  #7  
Old 09-29-2004
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I was just going to ask the same question... I'm thinking about getting a K&N just to reap whatever small benefit I might get without doing too much work.

Don't have the time/money/skills to install an intake right now, just want a better filter....

Worth it?
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  #8  
Old 09-29-2004
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I just use the paper ones in all my vehicles.
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  #9  
Old 09-29-2004
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Quote:
Originally Posted by Dave and Julie
I just use the paper ones in all my vehicles.

Same here, my opinion, not worth it. I had a SSD, and it sucked in alot of air, but gave me idle problems along with my Pro M MAF.
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  #10  
Old 09-30-2004
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Chips -n- Cams

K&N is famous for causing problems with the MAF.
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  #11  
Old 09-30-2004
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Quote:
Originally Posted by Dave and Julie
K&N is famous for causing problems with the MAF.
I'v heard the same but with "oil filters" in general. I still have one, I just dont over oil it...
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  #12  
Old 09-30-2004
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It isn't the oil that does it. It is the way they flow comared to paper. Oddly enough the factory system was designed with paper elements in mind, it's calibrated for it. Put something in with less restriction and it changes the character of the air flow. It causes stumbling at idle and even light throttle tip in stumbling at speed.
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  #13  
Old 10-01-2004
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dave not to say what you said is wrong, but i agree that the oil is the problem. i have have numerous friends that have over-oiled there filters, had problems, and then cleaned the MAF sensor and there problems went away. i have a K&N intake and i have never had a problem
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  #14  
Old 10-07-2004
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Same... I have the Air force one and its Great... The only problem I have is when i stomp on it while idling... it studders a little, which can be fixxed by a programer? I think it has to do with the air to fuel mixture because of less restriction (like said above)
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  #15  
Old 10-07-2004
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If there was more airflow, the PCM would know about it and adjust fuel trim accordingly. If you have a carburetor on your ranger you would be correct.
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  #16  
Old 10-07-2004
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Im a bit confused here.. Are the idling problems around when you have the drop in filter?? or are you guys saying just having a different intake in general sometimes give problems with studdering, etc... I'v had the K&N FIPK intake for a few months now... hasnt givin me any problem at all!
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  #17  
Old 10-07-2004
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In general...stock i could do a burn out by stomping the accelerator but now it wont because it studders a little as if it wasnt getting enough fuel or too much, but at higher RPM's It will run its butt off. Also it is alittle louder. Im putting a flowmaster on tomarrow which will exit right infront of the rear tire. Ill let you know if it helps at all.

BTW... does the intake effect the emissions??? I put mine on after i did it so i dont know if it will pass or not.
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  #18  
Old 08-31-2005
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with the rangers do u have to buy the whole k&n kit or put the adapter on it with a cone filter and will do the same juat a Q i not that good with thoes types of things
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  #19  
Old 08-31-2005
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Wow...graveyard diggin.
You can do one of two things. Either get the full kit or the drop in. Personally I believe the K&N let's in more dirt and so I don't use it. You'll find people pro and con, people who say they've run it in 42642 cars for 98 years and never once had a problem yada yada. Fine, congrats. I'm still not using it. But those are your options.
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  #20  
Old 08-31-2005
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ok thanx i think ill just stick with my drop in dont want the dirt to get in
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  #21  
Old 08-31-2005
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Oiled gauze filters, like the K&N, can hit you from both directions. If you oil it regularly, it can contaminate the MAF hot wire and get oil in the IAC which attracts dirt particles.

On the other hand, since a K&N relies on trapped filter oil to catch the dirt, neglecting to clean and oil it regularly allows more dirt to enter the engine.

Here's a chart comparing the characteristics of different classes of air filters which were tested using a standard Society of Automotive Engineers procedure. Note that the K&N has good flow characteristics but does not stop dirt/dust particles as well as paper or oiled foam filters.

K&N's were introduced many years ago for race engines where short term power is more important than longevity. Their introduction preceded the common use of hot wire mass airflow (MAF) measurement devices in production engines.

I have used K&Nís in dirt bikes where the filter is usually cleaned and oiled for each outing. I wouldn't use one in my truck.
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  #22  
Old 08-31-2005
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i just ordered my intake last week!!! now yall are gonna make me send it back
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  #23  
Old 08-31-2005
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I think there's like 426246 posts about this topic :) A simple search.......oh I give up
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  #24  
Old 08-31-2005
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Just use the damn K&N. I have yet to see a thread about rangers with severe engine problems or premature wear because of a K&N filter.

If it does happen to mine, i'll let you know. I run a MAC intake and i off-road all the time...But i clean the filter when it starts getting dirty and re-oil it. I have a Pro-M MAF. No problems with the oil either.
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  #25  
Old 08-31-2005
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alright cool, im not really that worried about it, i was just jokin, and i did search!!!
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