oemtech
Elgin, Texas
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I did not say I used K&N... but i used this type. I currently have a an 8 layer S&B gauze where as the K&N is only 4 layer gauze. I have a DIY CAI.
On edit - I need to clarify the above statement. I did use K&N's on some of my daily drivers with no problems. I also used one for a proto type CAI on my motorhome. But, I switched to the S&B as it is a better filter. I have also had the oil tested by Blackstone Labs and the "silicon" levels, dirt passed to the oil via the air intake system, was less than average.
Take a long look at an OEM Workhorse air intake system. It has a foam cover... Sounds great except it gets dirty quickly and needs to be cleaned more often or removed. The Workhorse air intake system weights 14+ lbs, the air has to make about 6 or 8 changes of direction before it enters the engine, the intake start with a 8" opening and goes to 3.75" as it enters the MAF and is a PIA to change. Last but not least it will ingest water and put you on the side of the road when the engine shuts down.
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Dale
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MasterBoondocker
nw lower Meeeechigan, TN and FL
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Joined: 10/11/2003
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A K&N filter DOES flow more air ...... yes it does ...and more DIRT particles too.
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T18skyguy
Eugene, OR
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That AC/Delco came out good in that test is interesting cause they also come out real good in some of the independent oil filter tests I have seen. Seems persuasive that they make some good products.
Retired Anesthetist. Pilot with mechanic/inspection ratings.1996 Jayco C 22 foot with 460/Banks Powerpak/Bilsteins.Wife and daughter. Two cats which control my life. 1975 Ford F-250, 84 Coupe Deville, Thorp T18, tons of tools and tons of junk.
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427435
Rochester, Mn
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wa8yxm wrote: And I have yet to read one message from someone who had sensor problems because of it..
NOTE: This does not mean that these problems don't exist, only that I've not read about them
(Of course the last subject where I made a statement someone promptly completed my education by posting an problem report)
I spend some time on a couple of Corvette forums. A lot of Corvette owners are "gearheads" (so am I) and like to mod their cars (factory is never good enough even in a car that does over 165 mph). K&N and other after market, oiled-media filters are often the first thing they hang on the car. While many get along with them, more than a few have run into oiled MAF sensors and have gone back to "stock" air cleaners.
The test I linked to was done with a Delco filter because the guy that got the testing arranged drove a GM pickup. If you drive a Ford product, I'm sure a Motorcraft filter would test just as well. I do wish they would have included a Fram filter in the test.
Like Jerry B, I remember cleaning the old oil bath aircleaners. At least they made all the air go through a pool of oil.
Mark
2000 Itasca Suncruiser 35U on a Ford chassis
2003 Ford Explorer toad with US Gear brakes,
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ArchHoagland
Clovis, CA, USA
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Your question is the reason I only bought one K&N filter. How much oil is too much??? Beats me.
I'm back to the paper filters. Cheaper and no hassle.
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DaveMac
Citrus Heights, CA, USA
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Tape a paper towel on backside and blow air through it with air gun.
Run gun over each row.
Engine can't suck any harder than that.
Put filter back on and relax.
2007 FIESTA LX
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Jarlaxle
New England
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Use very little oil. I run a very, very thin stream into each fold...it should NOT be a uniform color when you're finished. I let it sit a while, the oil will wick through the filter.
You don't need to do this very often...I've done it twice in about 100K miles in my Caddy.
John
1984 Ford B-700 school bus conversion, Thomas body
A bunch of other vehicles
3 nutty cats (Maya, Vierna, Briza)
One lazy dog (Marmaduke)
One wife (Liz)
"A wasted youth is better by far than a wise and productive old age"
-Jim Steinman
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pkunk
Questa, NM
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wa8yxm wrote:There is a belief that the K&N filters can pass more air than a standard paper filter... (At least that is what they say) with little, if any, reduction in filter performance. Others say the reduction in filter performance is great and that the problem the OP mentioned is common
I've spoken with a lot of folks who use K&N under some rather nasty conditions, have done so myself, no I mean ZERO evidence that the filter is not doing it's job 100% The oil catches the dirt just fine
And I have yet to read one message from someone who had sensor problems because of it..
NOTE: This does not mean that these problems don't exist, only that I've not read about them
(Of course the last subject where I made a statement someone promptly completed my education by posting an problem report)
I've had a K&N on my Dodge Cummins for years and found a slight increase in MPG, nevermind the savings from having to pay outragous $$ for a paper filter.
I put one on our Mercedes & promptly has a MASS failure which required replacement.
I had one on the MH before I holed the piston and then the filter got gunked up with black oil. I've tried to no avail to get that K&N back to a white condition even though it is clean of all oily residue. I haven't reinstalled it yet as I'd like to find something that will clean it better.
1989 Allegro, 30 ft., 454 CI 4 BBL, 3 spd.auto, 125gal.gas tank,85g.water & 85 grey &75 black holding tanks. 3-12v Optima 31m coach batteries
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SpinRite
Research Triangle, NC
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pkunk wrote:I had one on the MH before I holed the piston and then the filter got gunked up with black oil. I've tried to no avail to get that K&N back to a white condition even though it is clean of all oily residue. I haven't reinstalled it yet as I'd like to find something that will clean it better. I once rented my house to some members of the Iron Cross motorcycle gang, who had an ingenious way of cleaning their greasy engine parts, which might work for your filter. They ran them through my dishwasher.
'94 Holiday Rambler Navigator
38', Cummins 8.3 300hp, Allison 3060
pushed by a 2005 Honda Element
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ct78barnes
Bryan Ohio USA
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Wow I did not know I would start something about oiling my k&N filter .I installed it and let it sit over night. Found a puddle of red oil under the air cleaner . So I think I will remove it again and clean the tube of all oil and let it sit again on the paper on my work bench. I know I have over oiled it after reading all these repliess . Should I put a fan on the filter to blow off excess oil . I do not have a air compressor so this is something I could do . I could take it to work and blow it out I have 4 days till we leave . If I have any questions that I will have problems I have the stock Ford filter in the K&N box.
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