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Filter change by minder at 42K miles #4600881
12/11/17 05:02 PM
12/11/17 05:02 PM
Joined: Dec 2009
Posts: 676
Wash, DC
circuitsmith Offline OP
circuitsmith  Offline OP
Joined: Dec 2009
Posts: 676
Wash, DC
The WIX filter minder on my Toyota (in the sig) finally reached 11" after 6 years & 9 months.
Gauge checked after a WOT run to 5000 rpm.

Dirty side:


Clean side:


Close up:


The new filter reached one click below 8" restriction.


2017 Hyundai Tucson SE FWD, 5000mi/12mo OCI
Re: Filter change by minder at 42K miles [Re: circuitsmith] #4600936
12/11/17 06:13 PM
12/11/17 06:13 PM
Joined: Jun 2010
Posts: 15
Denmark
Motorsen Offline
Motorsen  Offline
Joined: Jun 2010
Posts: 15
Denmark
Have you tried to put a new vs the old filter on a scale to see how much debris it actually trapped? According to Fleetguard a 14Liter diesel engine is worn out when it have ingested 227 grams of dirt!

Motorsen

Re: Filter change by minder at 42K miles [Re: circuitsmith] #4600942
12/11/17 06:20 PM
12/11/17 06:20 PM
Joined: Aug 2010
Posts: 6,079
Champlain/Hudson Valley
Kira Offline
Kira  Offline
Joined: Aug 2010
Posts: 6,079
Champlain/Hudson Valley
Many thanks for the pics. They "always" say, there's more life to an air filter than we think.

This is what I think.

1) The air velocity drop which occurs in the lower portion of air cleaner housings allows heavier dirt to precipitate out.

ERGO the dirt which gets to the filter is finer. I believe this is plainly evident.

2) In the absence of repeated dirty exposure I think 30K is a great time to economically replace the filter. Mine look much like yours after that much time.

3) It's a good part to need periodically so you can add it to parts orders and reach 'Free Shipping" thresholds regularly.

4) I also think it's OK to avoid drilling a hole and risking creating a source of unfiltered air in your upper housing.

Re: Filter change by minder at 42K miles [Re: circuitsmith] #4600964
12/11/17 06:54 PM
12/11/17 06:54 PM
Joined: May 2012
Posts: 5,908
Fort Lauderdale, FL
DoubleWasp Online content
DoubleWasp  Online Content
Joined: May 2012
Posts: 5,908
Fort Lauderdale, FL
Drill the hole with any competency at all, and there won't be a source of unfiltered air.


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: Filter change by minder at 42K miles [Re: circuitsmith] #4600985
12/11/17 07:14 PM
12/11/17 07:14 PM
Joined: Sep 2014
Posts: 1,509
Toronto Canada
WobblyElvis Online content
WobblyElvis  Online Content
Joined: Sep 2014
Posts: 1,509
Toronto Canada
Circuitsmith did the right thing by using the filter it's proper service life. Changing an air filter too often is not good for the engine. Good Job!

Re: Filter change by minder at 42K miles [Re: circuitsmith] #4601147
12/11/17 10:51 PM
12/11/17 10:51 PM
Joined: Aug 2006
Posts: 9,917
Central Washington
Colt45ws Offline
Colt45ws  Offline
Joined: Aug 2006
Posts: 9,917
Central Washington
Excellent. Did you notice any performance increase with a fresh filter?


-Colton
2002 Ford Crown Vic PI 207k, Ex-Kootenai County, ID Unit #42
Down for engine swap
2003 Ford Crown Vic PI 86k
Pennzoil Conv HM 5W30, Fram XG2
Re: Filter change by minder at 42K miles [Re: circuitsmith] #4601170
12/11/17 11:41 PM
12/11/17 11:41 PM
Joined: Jul 2007
Posts: 976
SACRAMENTO, CA
rrounds Offline
rrounds  Offline
Joined: Jul 2007
Posts: 976
SACRAMENTO, CA
That's great. You changed it out before it got loaded up with to much dirt and you got the most miles out of it. The next filter may last longer or shorter depending how clean the air is. That's what so great about a restriction gauge, it tells you when the time is right to change the filter out.

ROD


'06 S2000
'00 SSEi sold at 252k miles
'08 Ford F53 V10
'13 Jeep Sahara 2 door
Re: Filter change by minder at 42K miles [Re: Colt45ws] #4602688
12/13/17 03:26 PM
12/13/17 03:26 PM
Joined: Dec 2009
Posts: 676
Wash, DC
circuitsmith Offline OP
circuitsmith  Offline OP
Joined: Dec 2009
Posts: 676
Wash, DC
Originally Posted By: Colt45ws
Did you notice any performance increase with a fresh filter?


None at all. The 4-6" difference in restriction (new vs old) works out to ~2% difference in wide open peak power.
If I could make the intake plumbing "perfect" and eliminate the 6-7" of new filter restriction
that could gain another 2%.


2017 Hyundai Tucson SE FWD, 5000mi/12mo OCI
Re: Filter change by minder at 42K miles [Re: circuitsmith] #4603032
12/13/17 10:22 PM
12/13/17 10:22 PM
Joined: Mar 2016
Posts: 1,761
Western S.C.
CR94 Offline
CR94  Offline
Joined: Mar 2016
Posts: 1,761
Western S.C.
Originally Posted By: circuitsmith
... The 4-6" difference in restriction (new vs old) works out to ~2% difference in wide open peak power. ...
Where does the 4" to 6" come from? It looks like only 11"-8"= 3" difference in the initial post.


2011 Toyota Prius now at 95K
1981 Mazda GLC (323) retired at 606K
1972 Subaru DL retired at 190K
1954 Chevrolet retired at 121K
Re: Filter change by minder at 42K miles [Re: circuitsmith] #4603036
12/13/17 10:40 PM
12/13/17 10:40 PM
Joined: Dec 2002
Posts: 42,483
New Jersey
JHZR2 Offline
JHZR2  Offline
Joined: Dec 2002
Posts: 42,483
New Jersey
That really doesn't look terribly dirty. Somewhat surprising really...

If it took 42k for your minder to recommend replacement, then 36k without a minder really isn't that bad of an idea.

Re: Filter change by minder at 42K miles [Re: circuitsmith] #4603520
12/14/17 01:00 PM
12/14/17 01:00 PM
Joined: Dec 2009
Posts: 676
Wash, DC
circuitsmith Offline OP
circuitsmith  Offline OP
Joined: Dec 2009
Posts: 676
Wash, DC
Originally Posted By: CR94
Originally Posted By: circuitsmith
... The 4-6" difference in restriction (new vs old) works out to ~2% difference in wide open peak power. ...
Where does the 4" to 6" come from? It looks like only 11"-8"= 3" difference in the initial post.


From my orig post:
Originally Posted By: circuitsmith
The new filter reached one click below 8" restriction.


I take that to be 5" to 7". 11"-7"= 4.


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

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