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#4605924 - 12/17/17 12:23 AM Anyone run 20k+ mi. OCIs?
RonRonnster Offline


Registered: 12/06/17
Posts: 39
Loc: Idaho
Hi all. I'm curious - how many folks run an extended OCI of 20k mi. or more on Amsoil, M1 AP, or anything else that advertises high mileage OCI's? I usually put less than 10k miles on any of my vehicles in a year, so I've always done an annual change at the very least, if not twice annual. I hit the OLM about once a year in our Yukon, which is usually around 7,500 mi. It seems like the general consensus here is 10k - 15k miles max due to average UOAs - of course that can vary.

Anyone living life on the edge? Is running Ams SSO or M1 AP 20k+ mi. even that risky, assuming it's being run in a healthy engine?
_________________________
- 2007 GMC Yukon XL Denali - 6.2L / 81k mi.
- 1998 Chev K1500 4x4 - 5.7L / 155k mi.

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#4605929 - 12/17/17 12:51 AM Re: Anyone run 20k+ mi. OCIs? [Re: RonRonnster]
Bailes1992 Offline


Registered: 03/10/17
Posts: 119
Loc: South Wales, UK
20k/2 Year intervals are the norm with a lot of manufacturers in Europe now.
_________________________
'13 Suzuki Jimmny - '16 Dacia Duster 1.5DCi 4WD
'96 LR Defender 300TDi - '12 BMW 320d

Engine Oil - Fuchs Titan XTL GT1 5w40
Gearbox Oil - Fuchs Sintofluid 75w80
Diff Oil - Fuchs Sintopoid 75w90

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#4605947 - 12/17/17 03:31 AM Re: Anyone run 20k+ mi. OCIs? [Re: RonRonnster]
DoubleWasp Offline


Registered: 05/21/12
Posts: 5236
Loc: Fort Lauderdale, FL
Yes, but in my diesels.
_________________________
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

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#4605952 - 12/17/17 03:51 AM Re: Anyone run 20k+ mi. OCIs? [Re: RonRonnster]
OneEyeJack Offline


Registered: 09/14/10
Posts: 7479
Loc: S California
I do 20K on my 4Runner oil filter, a Mobil 1 M1-209 with 10K on the oil, Red Line 0w-30. My 10K oil analysis was very good but I'm not going to extend the interval over 10K.

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#4606007 - 12/17/17 08:01 AM Re: Anyone run 20k+ mi. OCIs? [Re: RonRonnster]
CourierDriver Offline


Registered: 12/27/09
Posts: 4941
Loc: Tn.
10k is the new normal for many fleets that run vans for workers,when you have 500 vans,,changing oil every 3k miles is way to costly...the old 3000 mile oil change interval is probably obsolete really..It dates back to the 30s or 40s when engines might have lasted 40k miles at most...
_________________________
Don't forget to play nice as much as possible...protect your family and carry what you need for them..PS don't leave home without backup....

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#4606034 - 12/17/17 08:28 AM Re: Anyone run 20k+ mi. OCIs? [Re: RonRonnster]
tig1 Offline


Registered: 01/03/09
Posts: 13657
Loc: Illinois
A friend ran his 99 Chevy Silverado 5.3 on reg M1 5-30 and 15-25K OCI. Reason he sold the truck was when his 3rd trans failed, but the engine ran great.
_________________________
2007 Ford Fusion 227,000 miles
M1 0-20 EP
2017 Ford Fusion 49K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and MC LV
M1 10-30 in all OPE
MC filters


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#4606060 - 12/17/17 09:06 AM Re: Anyone run 20k+ mi. OCIs? [Re: RonRonnster]
DBMaster Offline


Registered: 09/18/12
Posts: 5322
Loc: DFW
I am running 30K OCIs with the microGreen filter protocol.

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#4606134 - 12/17/17 10:42 AM Re: Anyone run 20k+ mi. OCIs? [Re: RonRonnster]
rideahorse Offline


Registered: 01/01/15
Posts: 91
Loc: Charles City, Iowa
Tell us how well that works when you get rid of your vehicles and you tell the next owner that. To each his own.

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#4606214 - 12/17/17 12:46 PM Re: Anyone run 20k+ mi. OCIs? [Re: rideahorse]
Ryan_in_MN Offline


Registered: 03/16/07
Posts: 34
Loc: MN
If you're doing all highway mileage, checking your oil, and using top quality lubrication with some UoA's, I'm sure it's okay. I wouldn't do more than 15K personally. But that's me.

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#4606269 - 12/17/17 01:47 PM Re: Anyone run 20k+ mi. OCIs? [Re: RonRonnster]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
I do 25,000/5 years in my Cummins diesel.

I have one old '80's Ford Ranger 2.3 "farm beater" that hasn't had it's oil changed in over 20 years, and never will.

I have a Briggs push mower with the same Rotella 15W-40 I put in it in 2003. I add a little (2-3oz) every year.

Once my 2008 F150 hits over 200,000 I'll stop changing the oil. I'll change the filter every 25,000 and top off as needed. It's full synthetic.
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4606298 - 12/17/17 02:17 PM Re: Anyone run 20k+ mi. OCIs? [Re: CourierDriver]
OneEyeJack Offline


Registered: 09/14/10
Posts: 7479
Loc: S California
Originally Posted By: CourierDriver
10k is the new normal for many fleets that run vans for workers,when you have 500 vans,,changing oil every 3k miles is way to costly...the old 3000 mile oil change interval is probably obsolete really..It dates back to the 30s or 40s when engines might have lasted 40k miles at most...


In the 30's the OCI was more like 1K, sometimes less and the 40's maybe 2K and the 50 into the 60 was the transition from 2K to 3K. Going to 3K was a tough sell. That was the extended OCI of its day.

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#4606437 - 12/17/17 04:58 PM Re: Anyone run 20k+ mi. OCIs? [Re: rideahorse]
DBMaster Offline


Registered: 09/18/12
Posts: 5322
Loc: DFW
Originally Posted By: rideahorse
Tell us how well that works when you get rid of your vehicles and you tell the next owner that. To each his own.


Deal. I'll report my results in five more years when I get my next car.

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#4606701 - 12/17/17 09:08 PM Re: Anyone run 20k+ mi. OCIs? [Re: RonRonnster]
RonRonnster Offline


Registered: 12/06/17
Posts: 39
Loc: Idaho
Thanks for all the replies so far! Interesting stuff. I grew up on the old 3k miles / 3 months adage. A few years back, after some research and seeing manufacturers come out with 7,500 - 10,000 mile OCIs I was intrigued. I think I would gladly push 20k OCIs if I put on that many miles on any of my vechiles and had a good UOA trend to support it. Just didnt hear of many people who did it, although several local shops around here that sell the extended OCI oils tell me they have customers who buy the stuff and regularly run them to whatever the oil manufacturer recommends. And it sounds like there may be several on this forum who do as well.
_________________________
- 2007 GMC Yukon XL Denali - 6.2L / 81k mi.
- 1998 Chev K1500 4x4 - 5.7L / 155k mi.

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#4606707 - 12/17/17 09:14 PM Re: Anyone run 20k+ mi. OCIs? [Re: rideahorse]
RonRonnster Offline


Registered: 12/06/17
Posts: 39
Loc: Idaho
Originally Posted By: rideahorse
Tell us how well that works when you get rid of your vehicles and you tell the next owner that. To each his own.


I could see that being a problem come time to sell a vehicle, but to tell you the truth, if I were looking at purchasing a used car that’s lived on extended OCIs, it wouldn’t necessarily deter me. If the service history reflects proper maintenance and if there were some UOAs to hep verify the health of the engine, that would check out with me. But I still know quite a few folks that cringe at the thought of a 7,500 mile interval, let alone 20,000!
_________________________
- 2007 GMC Yukon XL Denali - 6.2L / 81k mi.
- 1998 Chev K1500 4x4 - 5.7L / 155k mi.

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#4606726 - 12/17/17 09:33 PM Re: Anyone run 20k+ mi. OCIs? [Re: RonRonnster]
Crusher Offline


Registered: 08/11/16
Posts: 93
Loc: Illinois
RonRonnster
First of all, Welcome to this forum. There are many knowledgeable members with a wealth of information here. I started running a dual bypass filter with Amsoil SS 5w -20 in Jan 2016 after my 2011 Expedition was out of warranty. I'm currently 72k miles into my current oci. Occasional oil for top off, and filter changes keep my TBN viable


Edited by Crusher (12/17/17 09:35 PM)
_________________________
2011 King Ranch Ford Expedition EL 4x4 - 180,000 miles - Amsoil Signature Series 5w-20, BMK 23-EA Dual Bypass Filter

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