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Old 02-14-2005, 05:57 PM   #1
BlackoutWRX
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Default how often do you change your air filter?

every other oil change? every 10 thousand miles? how often do you do it?
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Old 02-14-2005, 06:06 PM   #2
mainerex
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buy a k&n filter and then clean it as it needs its
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Old 02-14-2005, 06:14 PM   #3
zinc99
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Quote:
Originally Posted by mainerex
buy a k&n filter and then clean it as it needs its
Dont get an K&N the oil in those filters is well known for messing up your MAF sensor. Get an perrin or something else that can be cleaned.
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Old 02-14-2005, 06:18 PM   #4
BlackoutWRX
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Quote:
Originally Posted by zinc99
Dont get an K&N the oil in those filters is well known for messing up your MAF sensor. Get an perrin or something else that can be cleaned.
nah im more into wasting money to save the hassle. im not looking for alternative ideas, i just want to know how often you guys change yours (for those of you that change them)
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Old 02-14-2005, 06:22 PM   #5
zinc99
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Quote:
Originally Posted by BlackoutWRX
nah im more into wasting money to save the hassle. im not looking for alternative ideas, i just want to know how often you guys change yours (for those of you that change them)

In that case when its dirty(looking at it big dark spot), or every 20-30k. But that depends on were you are driving >20k if its dirty roads and dusty, 30k if its a nice clean city.
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Old 02-14-2005, 06:23 PM   #6
Subie Gal
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I just change it when it needs it

on the rally car? 1 - per day - per rally


on my street car?
i check it every-other oil change just to be safe

jamie
www.subiegal.com
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Old 02-14-2005, 06:44 PM   #7
mmorningstar
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damn, I keep forgeting to order that HKS foam filter...thanks for reminding me...
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Old 02-14-2005, 06:45 PM   #8
powerslide23
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Quote:
Originally Posted by BlackoutWRX
nah im more into wasting money to save the hassle. im not looking for alternative ideas, i just want to know how often you guys change yours (for those of you that change them)
Just like Jamie said, change it when necessary. If you normally drive on freeways and less dusty environment, every 15K is just right. More than 15K, IMO should be fine but may not have the optimum air flow and filtration again that just a guess-timate.
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Old 02-14-2005, 07:35 PM   #9
rbcsaver
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Standard is to hold it up to the sulight and if you can easily see sunlight through it then it is OK.
regards,
Steve
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Old 02-14-2005, 08:45 PM   #10
BillJC
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I haven't changed mine for 50k miles. I put an K&N in there and forgot about it. Everytime I look at it, it keeps getting dirtier and dirtier but, it still allows sun light to pass. This thread reminded me to check it out again.


BTW, I haven't cleaned it in all this time either.

Bill
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Old 02-14-2005, 08:54 PM   #11
OneOBS
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Once a year or every 10-15K.

Quote:
Dont get an K&N the oil in those filters is well known for messing up your MAF sensor.
The K&N filter is not the problem. Its the over-zealous owner that cleans and re-oils his filter with too much oil.
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Old 02-14-2005, 11:50 PM   #12
skinart76
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Yep, K&N is actually pretty good. I cleaned mine at the 30K mile tune. People often over oil the filter, therefore causing the dirty MAF sensor. K&N filter actually works better when it's a bit dirty, so no need to clean it that often.
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Old 02-15-2005, 02:52 AM   #13
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Cleaned my K&N 4 times since it was new, no problems. I let it dry after oiling it liberally.
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Old 02-15-2005, 08:31 AM   #14
Hayes
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I change mine at ~30,000 and it still looks quite good. Most filters do a better job of filtering as they age (within reason) so changing every 5 or 10,000 miles may be doing more harm than good. Off roading or gravel driving is another issue. ed
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Old 02-15-2005, 08:32 AM   #15
Hayes
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I like my car too much to use anything but oem or equivlent.
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Old 02-15-2005, 08:41 PM   #16
BillJC
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I hate my car, that's why I use a K&N.
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Old 02-15-2005, 10:49 PM   #17
Integra96
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I just changed mine at about 10k miles. It was filthy and somewhat clogged up with crap. I live in super-dusty Southern Arizona.
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Old 02-18-2005, 08:18 AM   #18
TJRCS
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wow~ I did my first change at 7.5K. I'm also planning to do around 15K again.
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Old 02-19-2005, 02:46 AM   #19
erikkellison
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Quote:
Originally Posted by Gethin
Cleaned my K&N 4 times since it was new, no problems. I let it dry after oiling it liberally.
Let it dry?
Correct me if I'm wrong, but I'm pretty sure oil doesn't evaporate that readily, so "letting it dry" isn't really doing anything. You might want to blot it off or something next time, because if you oil the filter liberally, the only way to get excess oil out of the filter is to remove it. It won't disappear on it's own, unless you blow on it under pressure by installing it and running your car, which would then put you in the group of people that over-clean and over-oil their K&N's, and thus mess up their MAF. And I know you don't want that
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Old 02-19-2005, 05:31 AM   #20
en3d
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What I did was buy a K&N but kept my stock one. when I clean/oil my k&n, I run my stocker until I know all the excess oil is off (usually a couple of days).

Do I "over-oil", don't think so but rather be safe than sorry with the MAF.
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Old 02-19-2005, 10:49 AM   #21
Mike Wevrick
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Every 30k like the manual says. I check it at 15 though and turn it around to even out the dirt deposits. How often to change it really depends on how dusty your area is.
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Old 03-13-2005, 08:44 PM   #22
shemoves
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Quote:
Originally Posted by zinc99
Dont get an K&N the oil in those filters is well known for messing up your MAF sensor. Get an perrin or something else that can be cleaned.
I thought the Perrin still had to be oiled...? Anyone know of an air filter that is washable, reusable, non-oiled, and has both good flow and filtering?
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Old 03-14-2005, 06:58 PM   #23
JasonCSU
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Quote:
Originally Posted by shemoves
I thought the Perrin still had to be oiled...? Anyone know of an air filter that is washable, reusable, non-oiled, and has both good flow and filtering?
I'm curious as well. Right now I'm deciding between a Perrin, K&N, and a plain paper filter.
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Old 03-14-2005, 07:15 PM   #24
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I change it once a year (10k miles or so) - it's pretty dusty here, though.
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Old 03-16-2005, 02:35 AM   #25
eltrouble
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