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#4661123 - 02/09/18 03:47 PM Consensus on oil "going bad" even if not driven?
wowthisexists Offline


Registered: 12/29/14
Posts: 47
Loc: USA
Car gets driven 500 miles in 2 years.
Do you change it? Or is it fine?

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#4661127 - 02/09/18 03:48 PM Re: Consensus on oil "going bad" even if not driven? [Re: wowthisexists]
BrocLuno Online   content


Registered: 09/06/15
Posts: 5506
Loc: Kalifornia Kollective
99% sure it's fine. But just to check, get a UOA smile
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Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.

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#4661128 - 02/09/18 03:49 PM Re: Consensus on oil "going bad" even if not driven? [Re: wowthisexists]
Reddy45 Offline


Registered: 08/15/08
Posts: 2962
Loc: USA
If you don't short trip it, then I wouldn't change the oil until it had around 5k miles on it.

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#4661134 - 02/09/18 03:52 PM Re: Consensus on oil "going bad" even if not driven? [Re: wowthisexists]
zfasts03 Offline


Registered: 07/21/08
Posts: 251
Loc: Bucks, PA
so that would be 20 years for the OP?
_________________________
03 Corvette Z06
-Amsoil 5w-30 SS
07 Honda Accord 2.4L
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16 Suburban 5.3L
-M1 0w-20, XG10575
18 4Runner TRD Off Road
- Factory Fill

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#4661137 - 02/09/18 03:54 PM Re: Consensus on oil "going bad" even if not driven? [Re: wowthisexists]
FordCapriDriver Offline


Registered: 10/22/15
Posts: 2376
Loc: Balearic Islands , Spain
In the hypothetical that each time the engine was started it was allowed to warm up fully i would not change it in 2 years.
_________________________
1975 Ford Capri II Ghia 3000 V6, - Valvoline VR1 20W-50
1988 Ford Escort MkIV 1.6 Xr3i Cabrio, - Shell Rimula R4X 15W-40 HDEO.

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#4661141 - 02/09/18 03:56 PM Re: Consensus on oil "going bad" even if not driven? [Re: wowthisexists]
demarpaint Offline


Registered: 07/03/05
Posts: 29738
Loc: NY
I'd say it would be fine. If you have any doubts get a UOA done.
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God Bless Our Troops


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#4661142 - 02/09/18 03:57 PM Re: Consensus on oil "going bad" even if not driven? [Re: wowthisexists]
wowthisexists Offline


Registered: 12/29/14
Posts: 47
Loc: USA
Is 20 year old oil bad?

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#4661148 - 02/09/18 04:04 PM Re: Consensus on oil "going bad" even if not driven? [Re: wowthisexists]
bullwinkle Offline


Registered: 10/09/04
Posts: 7649
Loc: Cincinnati, OH, USA
If you live in the Rust Belt, and don't keep the vehicle in a humidity controlled environment, the filter will rust after a couple years. I also wouldn't push a basic cellulose filter past 2 years regardless of mileage-but a synthetic media filter could go longer.
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#4661149 - 02/09/18 04:06 PM Re: Consensus on oil "going bad" even if not driven? [Re: wowthisexists]
Reddy45 Offline


Registered: 08/15/08
Posts: 2962
Loc: USA
If we're splitting hairs then one should question the value of a vehicle that is only driven 500 miles in 2 years. Why even own such a thing?

And if the answer is -- it's a precious collectible! Then change the oil yearly because it's precious collectible.

But if it's a '92 Pontiac Sunfire with no paint and a dying interior then why bother wasting oil?

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#4661153 - 02/09/18 04:10 PM Re: Consensus on oil "going bad" even if not driven? [Re: wowthisexists]
JLTD Offline


Registered: 12/15/17
Posts: 641
Loc: US
Last 2 posts: Final Answer!
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His: 2015 4Runner SR5 1GR-FE 37k, Amsoil OE 5w20/Wix
Testing vs Amsoil OE 5w30...then longer OCI on SS

Hers: 2008 Jeep Liberty 134k, Amsoil SS 5w30/Amsoil, minimum 10k oci

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#4661154 - 02/09/18 04:11 PM Re: Consensus on oil "going bad" even if not driven? [Re: wowthisexists]
wowthisexists Offline


Registered: 12/29/14
Posts: 47
Loc: USA
Why yearly? Does oil go "stale" ?
Why should you change it yearly?
It's already millions of years old.
What's another 20 ?

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#4661170 - 02/09/18 04:49 PM Re: Consensus on oil "going bad" even if not driven? [Re: wowthisexists]
JC1 Offline


Registered: 11/29/08
Posts: 2999
Loc: Oshawa, Ontario Canada
Originally Posted By: wowthisexists
Car gets driven 500 miles in 2 years.
Do you change it? Or is it fine?


Where is that car parked (inside/outside) and in what climate?

UOA is a good idea, but I would run it at least 1,000 or 1,500 miles before doing that.
_________________________
2015 Grand Caravan SXT Plus 5w-20 PPPP/Wix Filter
1997 Honda Civic CX 5w-30 PPPP/Mahle Filter

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#4661185 - 02/09/18 05:08 PM Re: Consensus on oil "going bad" even if not driven? [Re: wowthisexists]
Leo99 Offline


Registered: 03/30/14
Posts: 3039
Loc: NJ
Do you have plans to drive it more than 250 miles per year in the future? What are you worried about happening to the car if you don't change the oil? A little sludge in another 100 years?
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Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles
2004 Rav4 359,000 miles
2015 Camry 59,000 miles

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#4661192 - 02/09/18 05:19 PM Re: Consensus on oil "going bad" even if not driven? [Re: wowthisexists]
madibob Offline


Registered: 04/24/09
Posts: 130
Loc: Minnesota
What vehicle and driving conditions?
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2015 Porsche Boxster S
2002 Toyota Tacoma 3.4L 4X4
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#4661206 - 02/09/18 05:31 PM Re: Consensus on oil "going bad" even if not driven? [Re: wowthisexists]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Originally Posted By: wowthisexists
Is 20 year old oil bad?


I have older farm equipment with 20 year oil in it - it's just fine.

We talked all about this yesterday:
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4661201
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"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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