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#4526065 - 09/25/17 06:22 PM oil age
dallas916 Offline


Registered: 03/29/06
Posts: 8
Loc: las vegas
I have a 1997 Jaguar XK8 that I drive very seldom. I last changed the oil (Pennzoil Platinum 5-30w and a Bosch filter) on 7/24/2012. Since that time I have accrued about 2000 miles. Jaguar calls for oil changes every 10,000 miles. In the past two years I have put less than 200 miles on the car. The oil looks, feels, and smells clean, and I never get any unusual noises or symptoms of anything amiss when I start and run or drive it. I always run the engine to full temperature to burn off any moisture. THAT SAID, I am thinking about putting a new set of tires on and doing some medium length trips (200-500 miles). Should I change the 8 quarts and filter, or just cruise along as it has been???


Edited by dallas916 (09/25/17 06:24 PM)

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#4526067 - 09/25/17 06:25 PM Re: oil age [Re: dallas916]
ZeeOSix Offline


Registered: 07/22/10
Posts: 17153
Loc: PNW
I'd change it even though it looks good. It's been over 5 years in the car.
_________________________
We Don't Need No Stinkin' Efficiency!

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#4526075 - 09/25/17 06:30 PM Re: oil age [Re: dallas916]
andrewp1998 Offline


Registered: 10/18/08
Posts: 818
Loc: MA USA
To much water and fuel dilution, get it out of there! Im sure the manual says to go by time or miles!


Edited by andrewp1998 (09/25/17 06:31 PM)
_________________________
2001 Honda civic HX vtecE- 5 spd,227k+

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#4526081 - 09/25/17 06:36 PM Re: oil age [Re: dallas916]
CT8 Offline


Registered: 10/09/14
Posts: 10533
Loc: Idaho
Spend some $$$ and run a used oil analysis and see how the oil is holding up. Or for the same price change the oil and filter. Does the recommendation actually say 10,000 miles or X amount of time?
_________________________
Artificial intelligence is no match for natural stupidity, we shall prevail

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#4526096 - 09/25/17 06:52 PM Re: oil age [Re: CT8]
ZeeOSix Offline


Registered: 07/22/10
Posts: 17153
Loc: PNW
I think every vehicle manufacturer has a mileage and time limit on oil changes ... 1 year is usually the longest specification I've seen for time. It's certainly not 5+ years.
_________________________
We Don't Need No Stinkin' Efficiency!

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#4526097 - 09/25/17 06:53 PM Re: oil age [Re: dallas916]
Ihatetochangeoil Offline


Registered: 10/28/14
Posts: 573
Loc: On the road Midwest
Here's a UOA from a guy who left his oil in for 5 years+ but low mileage, might be an interesting read for you....https://bobistheoilguy.com/forums/ubbthreads.php/topics/4190879/1992_Surburban_Big_Block_-_M1_

My two cents worth is that the best thing you could do is take an oil sample and have it analysed. Let the results decide if you think you need to change oil...What you're really doing with the UOA instead of changing oil is learning and setting precedent. Do whatever lets you sleep peaceably....But my vote is to learn something. And if you REALLY want to learn, send in a virgin sample of unused oil for comparison, and post both results here.

Maybe you can teach some other folks something. Coffee
_________________________

2003 Lesabre
2004 Lesabre
2004 Impala
If ur NOT doing UOA then you're throwing away good oil or your engine is already damaged. Choose.

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#4526098 - 09/25/17 06:57 PM Re: oil age [Re: dallas916]
ArcticDriver Offline


Registered: 01/27/17
Posts: 1139
Loc: USA
Are the oils of today superior to the technologies of 5 years ago?
Maybe its worth changing for that reason alone.
_________________________
Multiple Diesel and Gasoline vehicles

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#4526103 - 09/25/17 07:07 PM Re: oil age [Re: Ihatetochangeoil]
ecotourist Offline


Registered: 07/09/08
Posts: 1033
Loc: British Columbia, Canada
Originally Posted By: Ihatetochangeoil
My two cents worth is that the best thing you could do is take an oil sample and have it analysed. Let the results decide if you think you need to change oil...What you're really doing with the UOA instead of changing oil is learning and setting precedent. Do whatever lets you sleep peaceably....But my vote is to learn something.

And if you send a sample for analysis give it a good run on the highway first (30 or more miles) which you should do once in a while anyway.
_________________________
2000 BMW 528i 5MT
2007 Honda Accord EX-L 4Door V6 6MT

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#4526108 - 09/25/17 07:09 PM Re: oil age [Re: ArcticDriver]
fdcg27 Offline


Registered: 09/25/09
Posts: 15421
Loc: OH
Originally Posted By: ArcticDriver
Are the oils of today superior to the technologies of 5 years ago?


MY SWAG would be that they aren't.
Not that much changes in the API/ILSAC world of standards, but then not that much has changed in engines over the past five years.
DI and little turbo motors pumped up to larger displacement power and torque levels were certainly around five years ago.
_________________________
17 Forester 6K M1 AFE 0W-20
12 Accord LX 86K PP 5W-20
09 Forester 95K M1HM 10W-30
01 Focus ZX3 118K PP 5W-20
96 Accord LX 104K T5 10W-30
95 318i

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#4526123 - 09/25/17 07:24 PM Re: oil age [Re: ArcticDriver]
Ihatetochangeoil Offline


Registered: 10/28/14
Posts: 573
Loc: On the road Midwest
Originally Posted By: ArcticDriver
Are the oils of today superior to the technologies of 5 years ago?
Maybe its worth changing for that reason alone.


No, they're not. I will substantiate my statement by referencing oilspecifications.org and noting that the current spec in use is API category SN (Introduced in October 2010): http://www.oilspecifications.org/api_eolcs.php

The Petroleum Quality Institute of America (PQIA) verifies this by stating "current API SN/ILSAC GF-5 service category" in an article on their website dated July 10, 2017. http://www.pqiamerica.com/ (Scroll down the page a little and read about the "dollar general" oil). Different subject; but category SN is current unless something has happened between July 10, 2017 and today.

Of course, I can't promise you what may happen tomorrow...
_________________________

2003 Lesabre
2004 Lesabre
2004 Impala
If ur NOT doing UOA then you're throwing away good oil or your engine is already damaged. Choose.

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#4526128 - 09/25/17 07:26 PM Re: oil age [Re: Ihatetochangeoil]
ArcticDriver Offline


Registered: 01/27/17
Posts: 1139
Loc: USA
Originally Posted By: Ihatetochangeoil
Originally Posted By: ArcticDriver
Are the oils of today superior to the technologies of 5 years ago?
Maybe its worth changing for that reason alone.


No, they're not. I will substantiate my statement by referencing oilspecifications.org and noting that the current spec in use is API category SN (Introduced in October 2010): http://www.oilspecifications.org/api_eolcs.php

The Petroleum Quality Institute of America (PQIA) verifies this by stating "current API SN/ILSAC GF-5 service category" in an article on their website dated July 10, 2017. http://www.pqiamerica.com/ (Sccroll down the page a little and read about the "dollar general" oil. Different subject; but category SN is current unless something has happened between July 10, 2017 and today.

Of course, I can't promise you what may happen tomorrow...


Thanks for the thorough response.
Much appreciated.
_________________________
Multiple Diesel and Gasoline vehicles

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#4526131 - 09/25/17 07:32 PM Re: oil age [Re: dallas916]
fdcg27 Offline


Registered: 09/25/09
Posts: 15421
Loc: OH
I would change the oil and I'd also start using the car.
You have it, it isn't gaining any value while it sits, so you may as well enjoy this cat.
A car is a terrible thing to waste:)
_________________________
17 Forester 6K M1 AFE 0W-20
12 Accord LX 86K PP 5W-20
09 Forester 95K M1HM 10W-30
01 Focus ZX3 118K PP 5W-20
96 Accord LX 104K T5 10W-30
95 318i

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#4526156 - 09/25/17 07:57 PM Re: oil age [Re: dallas916]
Pajero Offline


Registered: 05/05/12
Posts: 795
Loc: Rio Rancho, NM
My last OCI was 3 years with PUP 5w30 with Amsoil EAO filter. I have learned on these forums, is that your vehicle does not know how old the oil is. I would hesitate running a paper oil filter for more than a year. But, if you have synthetic oil/filter you are good to go. Five years seem adequate to me.

Good luck!


Respectfully,

Pajero
_________________________
Always remember "Planned obsolescence."

1994 Montero SR 3.5 DOHC, 128,xxx
Fram Ultra/ Snorkel with Pre-filter
K-9-Co-pilot

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#4526338 - 09/26/17 02:33 AM Re: oil age [Re: dallas916]
Marco620 Offline


Registered: 02/25/14
Posts: 1960
Loc: Deplorable in KS/ fly over
Its a JAG,treat it as so and spend the coin.
_________________________
2015 Civic (R18Z1) 150k mi PUP 0w20/Ceratec,HPS SRI Intake,87e0 fuel Borla Exhaust/Tein Suspension
Go Nashville Predators!

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#4526392 - 09/26/17 05:56 AM Re: oil age [Re: dallas916]
rooflessVW Offline


Registered: 12/24/11
Posts: 3641
Loc: North Carolina
The oil is probably fine and if you were continuing its current use pattern I would leave it in.

Since you're planning on changing the vehicle's use pattern and putting new tires on because of it, it would personally give me the warm and fuzzies to have fresh fluids to go along with the new tires and renewed interest in driving the car.
_________________________
"Zed's dead baby, Zed's dead."

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