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K&N ????

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Old Mar 29, 2004 | 01:04 PM
  #1  
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K&N ????

anybody running a k&n filter in there 6.0?? is there a big difference???will it do anything to the turbo i heard that the oil from the filter may burn up the turbo???
 
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Old Mar 29, 2004 | 01:47 PM
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It also lets more dirt pass through the filter than the stock intake.
 
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Old Mar 29, 2004 | 02:10 PM
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If you get oil on the turbine blades, they could collect dirt and be less efficient. Using a filter that let's in too big a particles will "dust" your turbine and perhaps your engine.

I believe the stock filter is a Donaldson product and was developed for the first Gulf operation. Check http://www.donaldson.com/en/engine/news/003385.html
I intend to keep using the stock setup. Now exhaust is a different matter.
 
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Old Mar 29, 2004 | 02:52 PM
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That Donaldson filter is great. For once the stock system was setup well. The popular Tymar intake that a lot of 7.3 PSD folks use has a Donaldson filter. The filtration is 99.9%.
 
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Old Mar 30, 2004 | 09:55 AM
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I run a K&N FIPK in my 04 F250. I have noticed slight gains in the low and mid range, particularly when towing. Not enough to write home about. It is louder under the hood. My main reason for getting it was that it is rechargable. Replacing the stock filter at $100 a pop is just too much for me. By the way, I bought mine at the Ford dealership parts counter. The K&N rep was there when I bought it. It is warranty and emissions approved.
 
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Old Mar 30, 2004 | 10:30 AM
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Originally Posted by mailers
It is warranty and emissions approved.
No it's not. Some dealers that have been "mod friendly" are being cracked down on by Ford. K&N filter on a diesel is a no no and Ford, not the dealers, does not approve. Remember, Ford, not the dealer, holds your warranty.
 
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Old Mar 30, 2004 | 10:48 AM
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The biggest thing i'm worried about will it harm the turbo or engine??
 
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Old Mar 30, 2004 | 10:53 AM
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It can. Cummins actually singles out K&N type filters on their website and says not to use them because they can cause damage like scoring the cylendars, etc. Not worth the risk. Higher airflow from the same surface area=less filtration. The increased air pressure on intake from a turbo diesel magnifies this problem.
 
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Old Mar 30, 2004 | 11:13 AM
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Originally Posted by uponyou21
anybody running a k&n filter in there 6.0?? is there a big difference???will it do anything to the turbo i heard that the oil from the filter may burn up the turbo???

When I had my larger exhaust system installed, I brought up replacing the stock air system. I had a Western Diesel Ram Air system installed on my 2001 (the stock system then was horrible).

The advise I got was "The system on the 2004 is vastly superior to the 2001 stock system and it loads tons of air into the engine. If it isn't adding more air - don't change it."

As of yet, I have not seen any convincing legitimate statistics that other systems are superior. As such, I am not in a rush to change mine (or have the headaches associated with warranty issues).
 
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Old Mar 30, 2004 | 01:09 PM
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Thanks for the response johnnydiesel. Your input is appreciated. However, no offense, I tend to lean towards the opinion of the dealership that is performing my warranty work and the representative of the product that is in question. This was not meant to be a pi$$ing contest. I was simply responding to a question about K&N filters, which I have had on 3 PSD's.
 
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Old Mar 30, 2004 | 02:06 PM
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Originally Posted by ChiefGReid
When I had my larger exhaust system installed, I brought up replacing the stock air system. I had a Western Diesel Ram Air system installed on my 2001 (the stock system then was horrible).

The advise I got was "The system on the 2004 is vastly superior to the 2001 stock system and it loads tons of air into the engine. If it isn't adding more air - don't change it."

As of yet, I have not seen any convincing legitimate statistics that other systems are superior. As such, I am not in a rush to change mine (or have the headaches associated with warranty issues).
Exactly why I haven't changed yet. Until there is an independent test of the OEM Donaldson filter, Ill stick with OEM. I have seen independent test (but not comparing the OEM 6.0) comparing a stock filter with others, K&N always flows better than stock and always filters LESS. The AFE Progaurd7 comes out on top for flow and filter, but again, it wasn't comparing the OEM 6.0 filter.
 
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Old Mar 30, 2004 | 10:11 PM
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Originally Posted by johnsdiesel
No it's not. Some dealers that have been "mod friendly" are being cracked down on by Ford. K&N filter on a diesel is a no no and Ford, not the dealers, does not approve. Remember, Ford, not the dealer, holds your warranty.

This is what I found:

The Generation II FIPK is K&N's ultimate performance product, designed to increase power by as much as 10%. Every FIPK is street legal in all 50 US states and comes with a 10 Year/ Million Mile Limited Warranty. K&N intake systems replace your vehicle's restrictive factory air filter and air intake housing. K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your vehicle's engine to inhale a larger volume of air than the OEM air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. The filters on these kits are washable and reusable. Most of our intake kits are relatively easy to install using tools commonly available (see installation instructions).


 
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Old Mar 30, 2004 | 10:16 PM
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Originally Posted by SBV45
If you get oil on the turbine blades, they could collect dirt and be less efficient. Using a filter that let's in too big a particles will "dust" your turbine and perhaps your engine.
If the instructions are followed, then you will not get oil on the turbine blades. Just cannot be done.

I understand that the new filter might be 99.9%, but it has more to do with the air housing causing the restriction...not the filter in this case. Just my $.02 on the subject.

 
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Old Mar 30, 2004 | 10:23 PM
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Originally Posted by biz4two

This is what I found:

The Generation II FIPK is K&N's ultimate performance product, designed to increase power by as much as 10%. Every FIPK is street legal in all 50 US states and comes with a 10 Year/ Million Mile Limited Warranty. K&N intake systems replace your vehicle's restrictive factory air filter and air intake housing. K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your vehicle's engine to inhale a larger volume of air than the OEM air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. The filters on these kits are washable and reusable. Most of our intake kits are relatively easy to install using tools commonly available (see installation instructions).

I wasn't saying they aren't street legal, but that they are not approved by Ford (not an individual dealer). I have heard in the past of service techs being told to watch out for K&N filters. BTW, your quote doesn't mention filtration at all, just air flow. I don't think anyone would say that the K&N doesn't flow well.
 
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Old Mar 30, 2004 | 10:25 PM
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Originally Posted by biz4two
If the instructions are followed, then you will not get oil on the turbine blades. Just cannot be done.

I understand that the new filter might be 99.9%, but it has more to do with the air housing causing the restriction...not the filter in this case. Just my $.02 on the subject.



A restrictive housing will effect airflow, but not filtration. The filtration is 99.9% because of the filter, not the housing.

Here's a link to the warranty. Read it for yourself.

http://www.fordvehicles.com/Trucks/s...y/warranty/04/

Anyway, I've shared more than my $.02. To each their own.
 

Last edited by johnsdiesel; Mar 30, 2004 at 11:18 PM.
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