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Air Filter Replacement #4637630
01/17/18 12:22 PM
01/17/18 12:22 PM
Joined: Feb 2005
Posts: 794
Scituate MA
coopns Offline OP
coopns  Offline OP
Joined: Feb 2005
Posts: 794
Scituate MA
Seems like air filters never get very dirty. I check mine each oil change and they are a bit discolored/small debris.

Do cars just run cleaner now? Depend on car or driving conditions?

Just chatting...


Coop
Re: Air Filter Replacement [Re: coopns] #4637635
01/17/18 12:26 PM
01/17/18 12:26 PM
Joined: Dec 2016
Posts: 6,232
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,232
Waco, TX
Originally Posted By: coopns
Do cars just run cleaner now? Depend on car or driving conditions?


An air filter getting dirty doesn't have anything to do with a cleaner running car. It all on "environment"

You probably spend all your time on clean pavement, away from country roads or construction sites.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Air Filter Replacement [Re: coopns] #4637648
01/17/18 12:40 PM
01/17/18 12:40 PM
Joined: Aug 2010
Posts: 12,903
Northern Kentucky
901Memphis Offline
901Memphis  Offline
Joined: Aug 2010
Posts: 12,903
Northern Kentucky
Impossible to see debris loading, that's why we have restriction gauges. I usually just change mine every 3-5 years.


2012 Chevy Cruze LT 1.4T - 50k
2002 Buick Century 130k - Built 4T65e(Maxlife) - Edge 0w40 + Fram XG3980
Re: Air Filter Replacement [Re: coopns] #4637678
01/17/18 01:13 PM
01/17/18 01:13 PM
Joined: Jun 2002
Posts: 6,352
MI
doitmyself Offline
doitmyself  Offline
Joined: Jun 2002
Posts: 6,352
MI
It seems that the old carburated engines turned air filters much more "dirty looking". Member Widman from Bolivia had some good threads on air filters showing how we tend to replace them much earlier than needed.

Re: Air Filter Replacement [Re: coopns] #4637739
01/17/18 02:27 PM
01/17/18 02:27 PM
Joined: Jun 2003
Posts: 17,354
Deplorable in apple valley, ca
Chris142 Offline
Chris142  Offline
Joined: Jun 2003
Posts: 17,354
Deplorable in apple valley, ca
Come here! I don't get 5k out of my diesel air filter. About 10k out of my Jeep's before it Rob's it's power because it's plugged.


02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40
Re: Air Filter Replacement [Re: coopns] #4637781
01/17/18 03:12 PM
01/17/18 03:12 PM
Joined: Jun 2002
Posts: 12,518
The Motor City
Kestas Offline
Kestas  Offline
Joined: Jun 2002
Posts: 12,518
The Motor City
I got 105K on one of my filters before it tripped and engine code. The filter still looked okay, until you put it up to the light and couldn't see light through it. Now I know not to got beyond 60K.

Re: Air Filter Replacement [Re: Kestas] #4637830
01/17/18 04:17 PM
01/17/18 04:17 PM
Joined: Aug 2010
Posts: 5,668
Champlain/Hudson Valley
Kira Offline
Kira  Offline
Joined: Aug 2010
Posts: 5,668
Champlain/Hudson Valley
Remember: Today's air filters live above a velocity drop box.

Dirty air enters through one hole or another then it's immediately in a large box (below the filter element) where the air's velocity drops.

Large (as in heavy) dirt precipitates out and only the finer stuff reaches the element. That's why they don't "look dirty".

The funny thing with my car was that soon after I bought it the filter was 30,000 miles old. I'm happy to change them then.
I lifted the element out and gobs of sand fell out. There was a lot of it to be sure.
I had no thought of tapping the sand out and possibly reusing the element thought I'm sure the "100,000 mile guys" would scold me for wastefulness.

Re: Air Filter Replacement [Re: Kira] #4637843
01/17/18 04:28 PM
01/17/18 04:28 PM
Joined: Aug 2008
Posts: 2,080
Cali
Malo83 Offline
Malo83  Offline
Joined: Aug 2008
Posts: 2,080
Cali
I do annual air filter changes, i sleep better knowing my engine isn't laboring to breath. banana

Re: Air Filter Replacement [Re: coopns] #4637848
01/17/18 04:35 PM
01/17/18 04:35 PM
Joined: May 2013
Posts: 679
Florida
SilverSnake Online content
SilverSnake  Online Content
Joined: May 2013
Posts: 679
Florida
I change the Air Filter every 15,000 miles on my vehicles. On the whole house generator, every year.


2016 Charger, 6.4L-485 HP (PUP 0W-40)
2017 BMW 330i, 2L-248 HP (BMW 0W-20)
2018 Jeep GC, 5.7L-360 HP (PP 5W-20)
2008 20KW Generac (Amsoil 10W-30/30)
Re: Air Filter Replacement [Re: coopns] #4637904
01/17/18 05:40 PM
01/17/18 05:40 PM
Joined: Sep 2004
Posts: 7,528
Marshfield , MA
andyd Offline
andyd  Offline
Joined: Sep 2004
Posts: 7,528
Marshfield , MA
All depends on the car's environment. I replace the filters when I bought a car, then replaced with every timing belt change at 60K


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
Re: Air Filter Replacement [Re: coopns] #4637985
01/17/18 06:45 PM
01/17/18 06:45 PM
Joined: Nov 2016
Posts: 1,278
WI
HoosierJeeper Offline
HoosierJeeper  Offline
Joined: Nov 2016
Posts: 1,278
WI
I probably swap them every couple years.


15 Jeep KL Limited V6: Formula Shell 5W20
07 LR3 SE V8: Maxlife 5W30
05 Jeep KJ Limited: PHM 5W30
96 Jeep XJ Country: STP HM 5W30 (winter)
Re: Air Filter Replacement [Re: coopns] #4638039
01/17/18 07:26 PM
01/17/18 07:26 PM
Joined: Aug 2017
Posts: 166
South Texas
Insertcoolname Offline
Insertcoolname  Offline
Joined: Aug 2017
Posts: 166
South Texas
K&N hi flow filters any good? Just wondering
if anyone has any experience with them...
I run both paper and k&n but not sure if its worth it


04 Camry 2az-fe 2.4L 204k QS HiMi 10w30
Supertech white can filter
Re: Air Filter Replacement [Re: Insertcoolname] #4638088
01/17/18 08:04 PM
01/17/18 08:04 PM
Joined: May 2012
Posts: 5,381
Fort Lauderdale, FL
DoubleWasp Offline
DoubleWasp  Offline
Joined: May 2012
Posts: 5,381
Fort Lauderdale, FL
Originally Posted By: Insertcoolname
K&N hi flow filters any good? Just wondering
if anyone has any experience with them...
I run both paper and k&n but not sure if its worth it


There is a lot of UOA evidence out there than K&Ns let a huge amount of dirt through. Stick with paper, and leave the K&N on the track where it belongs.


07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio
Re: Air Filter Replacement [Re: DoubleWasp] #4638195
01/17/18 09:25 PM
01/17/18 09:25 PM
Joined: Oct 2006
Posts: 1,538
Oshawa, Ont. Canada
irv Offline
irv  Offline
Joined: Oct 2006
Posts: 1,538
Oshawa, Ont. Canada
Originally Posted By: DoubleWasp
Originally Posted By: Insertcoolname
K&N hi flow filters any good? Just wondering
if anyone has any experience with them...
I run both paper and k&n but not sure if its worth it


There is a lot of UOA evidence out there than K&Ns let a huge amount of dirt through. Stick with paper, and leave the K&N on the track where it belongs.


X2. I had a guy on an ATV forum telling me how good his K&N filter was. He said after numerous dusty trail rides, his filter still looked great. I replied and thanked him for proving my point that K&N's sucked at filtering but were great at flowing air. Surprisingly, I never heard back from him. crackmeup


2017 Chevy Impala 3.6 L.
2013 Ram 5.7 L Hemi Bighorn QC 4x4
2008 Chevy Malibu 2.4 L Ecotec
Pennzoil Platinum and/or Pennzoil Ultra Platinum for all 3.
Re: Air Filter Replacement [Re: coopns] #4638651
01/18/18 11:30 AM
01/18/18 11:30 AM
Joined: Dec 2009
Posts: 653
Wash, DC
circuitsmith Offline
circuitsmith  Offline
Joined: Dec 2009
Posts: 653
Wash, DC
Here's my experience with a restriction gauge:

https://bobistheoilguy.com/forums/ubbthreads.php/topics/4600881


2017 Hyundai Tucson SE FWD, 5000mi/12mo OCI
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