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Longest OCI's without a filter change #4568342
11/08/17 10:21 PM
11/08/17 10:21 PM
Joined: Apr 2016
Posts: 1,537
Oregon
1JZ_E46 Offline OP
1JZ_E46  Offline OP
Joined: Apr 2016
Posts: 1,537
Oregon
10,000 miles seems to be the average "long" duration OCI I see in the UOA section. Does anyone here regularly do 20,000 miles or more without an oil change? If so, what oil/vehicle? How does it look coming out? UOA report? Noticeable sludge/varnish? I'm wondering if there is a trend in what oil brands can regularly do 20k+. Let's see who wins!


2007 X5 4.8i: M1 HM 10W-30
2016 Countryman S: EDGE 0W-30
Re: Longest OCI's without a filter change [Re: 1JZ_E46] #4568347
11/08/17 10:23 PM
11/08/17 10:23 PM
Joined: Jun 2014
Posts: 1,968
IL
Vern_in_IL Offline
Vern_in_IL  Offline
Joined: Jun 2014
Posts: 1,968
IL
Kendall and an Ultra All THE WAY!

Re: Longest OCI's without a filter change [Re: Vern_in_IL] #4568349
11/08/17 10:24 PM
11/08/17 10:24 PM
Joined: Apr 2016
Posts: 1,537
Oregon
1JZ_E46 Offline OP
1JZ_E46  Offline OP
Joined: Apr 2016
Posts: 1,537
Oregon
Originally Posted By: Vern_in_IL
Kendall and an Ultra All THE WAY!


Details!


2007 X5 4.8i: M1 HM 10W-30
2016 Countryman S: EDGE 0W-30
Re: Longest OCI's without a filter change [Re: 1JZ_E46] #4568361
11/08/17 10:37 PM
11/08/17 10:37 PM
Joined: Sep 2004
Posts: 21,633
Orlando, FL
Mr Nice Offline
Mr Nice  Offline
Joined: Sep 2004
Posts: 21,633
Orlando, FL
I did 22K miles but with 4 OCIs.

Re: Longest OCI's without a filter change [Re: 1JZ_E46] #4568400
11/08/17 11:11 PM
11/08/17 11:11 PM
Joined: Sep 2014
Posts: 1,446
Toronto Canada
WobblyElvis Offline
WobblyElvis  Offline
Joined: Sep 2014
Posts: 1,446
Toronto Canada
I did a few "longer" OCI's without any problems and I used a fram ultra filter for 20,000 miles with no complaints. Now the car has 200,000 miles on it and it appears to suffer from blow-by which puts carbon deposits in the oil and filter so I change the oil at around 7 - 9,000 miles. Mostly I use a combination of cheap store brand synthetic and conventional oil available at Canadian Tire.

Re: Longest OCI's without a filter change [Re: 1JZ_E46] #4568443
11/09/17 02:25 AM
11/09/17 02:25 AM
Joined: Dec 2016
Posts: 6,226
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,226
Waco, TX
Back in the early 90's I ran a Motorcraft FL-1A oil filter for about 30,000 miles over 3 oil changes (15W-40) in a 1978 Ford F250.

I had a old Chevy 283 that burned a quart of oil every 100 miles or so, and I never changed the oil filter ever, in almost a decade.

During the huge "dot.com boom" in the 90's a fellow I know who was setting computers and servers up for businesses ran his K1500 Chevy 350 ('93 or 94 model) for 50,000 miles on Mobil 1 and a PF35 oil filter (mostly highway miles) and it "seemed" to be just fine, but I don't know what shape the engine was in at 150,000+ because he traded it off with 90,000 or so on it (and it was still running great)


"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: Longest OCI's without a filter change [Re: 1JZ_E46] #4568455
11/09/17 03:34 AM
11/09/17 03:34 AM
Joined: May 2012
Posts: 5,380
Fort Lauderdale, FL
DoubleWasp Offline
DoubleWasp  Offline
Joined: May 2012
Posts: 5,380
Fort Lauderdale, FL
2007.5 Dodge Ram 3500
Cummins 6.7 Diesel
26K miles on single oil filter and oil. No top offs.

Oil: Schaeffer Supreme 7000 15w40
First: LuberFiner LF9028



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: Longest OCI's without a filter change [Re: 1JZ_E46] #4568587
11/09/17 09:16 AM
11/09/17 09:16 AM
Joined: Mar 2008
Posts: 5,943
Michigan
ZZman Offline
ZZman  Offline
Joined: Mar 2008
Posts: 5,943
Michigan
10,000 for me


2003 Mercury Grand Marquis. Rotella T6 Multi-Vehicle oil
2008 Sebring Hardtop convertible. Rotella T6 Multi-Vehicle oil
2006 Kawasaki Vulcan 900 LT. Amsoil Metric 10w-40
Re: Longest OCI's without a filter change [Re: 1JZ_E46] #4568597
11/09/17 09:27 AM
11/09/17 09:27 AM
Joined: Jun 2009
Posts: 3,698
Chicago, IL
tomcat27 Online content
tomcat27  Online Content
Joined: Jun 2009
Posts: 3,698
Chicago, IL
46k on a Focus with the factory filter; then the engine puked. some friends bought the used car at a used car lot. I offerred to look it over in advance; they didn't see the need because it "looked clean". next day on the way back to school the motor roached. THEN I got to see the OEM filter. all rusty on the outside. nice. of course, you are likely looking for success stories... I would imagine, on a non-sludging engine, that 20k should not be a problem .


2019 Cherokee, 2015 Rogue, 2014 Sentra, 2001 Camry, 2005 Starcraft, 1998 Dodge B1500
1996 Sebring Jx, 1984 F150, 1970 Cougar, 2013 XT250, 2010 Vstar, 2014 CTX1300
Re: Longest OCI's without a filter change [Re: 1JZ_E46] #4568639
11/09/17 10:07 AM
11/09/17 10:07 AM
Joined: May 2012
Posts: 1,349
Winchester, Indiana
SubieRubyRoo Online happy
SubieRubyRoo  Online Happy
Joined: May 2012
Posts: 1,349
Winchester, Indiana
I'd think it depends more on the filter size and media than mileage. Engine history will be an important part. I don't think you'd ever find somebody with a brain to run a filter for 20k on a VW 1.8... My Fusion returns really consistent UOAs and I always change the filter with the oil change on it. Last UOA I have the results for was almost 14k on a Napa Platinum; awaiting results on the Napa Platinum on a 17.3k run. So far, my insolubles have always been 0.3 (except for two 0.4s on Amsoil EaO34 filters with shorter mileage) and I think that is what should be driving your filter change.

From what I understand, a filter "should" trap more of the insolubles up to the point that the media is saturated and you drive the filter into bypass mode because of the differential pressure across the media. After that, your insolubles would likely start to go up maybe not exponentially, but certainly much faster than if you were filtering it. This OCI I have a Microgreen on it, so we will see if the insolubles come down any due to the 'bypass' element in the MG.

Re: Longest OCI's without a filter change [Re: 1JZ_E46] #4569179
11/09/17 08:02 PM
11/09/17 08:02 PM
Joined: Jun 2014
Posts: 1,968
IL
Vern_in_IL Offline
Vern_in_IL  Offline
Joined: Jun 2014
Posts: 1,968
IL
Originally Posted By: 1JZ_E46
Originally Posted By: Vern_in_IL
Kendall and an Ultra All THE WAY!


Details!


I simply forgot to change the oil, I do 8k oil changes and skipped one, and it was last winter.

Last edited by Vern_in_IL; 11/09/17 08:03 PM.
Re: Longest OCI's without a filter change [Re: 1JZ_E46] #4569208
11/09/17 08:32 PM
11/09/17 08:32 PM
Joined: Oct 2009
Posts: 3,218
Wet side WA
JohnnyJohnson Offline
JohnnyJohnson  Offline
Joined: Oct 2009
Posts: 3,218
Wet side WA
6K on PUP 5w-30 and a Purolator Pure 1


2004 Corolla 124786
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74277
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 74705 4-22-18

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