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oil age #4526065
09/25/17 06:22 PM
09/25/17 06:22 PM
Joined: Mar 2006
Posts: 8
las vegas
dallas916 Offline OP
dallas916  Offline OP
Joined: Mar 2006
Posts: 8
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???

Last edited by dallas916; 09/25/17 06:24 PM.
Re: oil age [Re: dallas916] #4526067
09/25/17 06:25 PM
09/25/17 06:25 PM
Joined: Jul 2010
Posts: 18,711
PNW
ZeeOSix Offline
ZeeOSix  Offline
Joined: Jul 2010
Posts: 18,711
PNW
I'd change it even though it looks good. It's been over 5 years in the car.

Re: oil age [Re: dallas916] #4526075
09/25/17 06:30 PM
09/25/17 06:30 PM
Joined: Oct 2008
Posts: 867
MA USA
andrewp1998 Offline
andrewp1998  Offline
Joined: Oct 2008
Posts: 867
MA USA
To much water and fuel dilution, get it out of there! Im sure the manual says to go by time or miles!

Last edited by andrewp1998; 09/25/17 06:31 PM.

2001 Honda civic HX vtecE- 5 spd,232k+
Re: oil age [Re: dallas916] #4526081
09/25/17 06:36 PM
09/25/17 06:36 PM
Joined: Oct 2014
Posts: 11,851
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 11,851
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?


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: oil age [Re: CT8] #4526096
09/25/17 06:52 PM
09/25/17 06:52 PM
Joined: Jul 2010
Posts: 18,711
PNW
ZeeOSix Offline
ZeeOSix  Offline
Joined: Jul 2010
Posts: 18,711
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.

Re: oil age [Re: dallas916] #4526097
09/25/17 06:53 PM
09/25/17 06:53 PM
Joined: Oct 2014
Posts: 588
On the road Midwest
Ihatetochangeoil Offline
Ihatetochangeoil  Offline
Joined: Oct 2014
Posts: 588
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.
Re: oil age [Re: dallas916] #4526098
09/25/17 06:57 PM
09/25/17 06:57 PM
Joined: Jan 2017
Posts: 1,139
USA
ArcticDriver Offline
ArcticDriver  Offline
Joined: Jan 2017
Posts: 1,139
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
Re: oil age [Re: Ihatetochangeoil] #4526103
09/25/17 07:07 PM
09/25/17 07:07 PM
Joined: Jul 2008
Posts: 1,090
British Columbia, Canada
ecotourist Offline
ecotourist  Offline
Joined: Jul 2008
Posts: 1,090
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
Re: oil age [Re: ArcticDriver] #4526108
09/25/17 07:09 PM
09/25/17 07:09 PM
Joined: Sep 2009
Posts: 16,013
OH
fdcg27 Online content
fdcg27  Online Content
Joined: Sep 2009
Posts: 16,013
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 12K MSS 0W-20
12 Accord LX 92K 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
Re: oil age [Re: ArcticDriver] #4526123
09/25/17 07:24 PM
09/25/17 07:24 PM
Joined: Oct 2014
Posts: 588
On the road Midwest
Ihatetochangeoil Offline
Ihatetochangeoil  Offline
Joined: Oct 2014
Posts: 588
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.
Re: oil age [Re: Ihatetochangeoil] #4526128
09/25/17 07:26 PM
09/25/17 07:26 PM
Joined: Jan 2017
Posts: 1,139
USA
ArcticDriver Offline
ArcticDriver  Offline
Joined: Jan 2017
Posts: 1,139
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
Re: oil age [Re: dallas916] #4526131
09/25/17 07:32 PM
09/25/17 07:32 PM
Joined: Sep 2009
Posts: 16,013
OH
fdcg27 Online content
fdcg27  Online Content
Joined: Sep 2009
Posts: 16,013
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 12K MSS 0W-20
12 Accord LX 92K 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
Re: oil age [Re: dallas916] #4526156
09/25/17 07:57 PM
09/25/17 07:57 PM
Joined: May 2012
Posts: 953
Rio Rancho, NM
Pajero Offline
Pajero  Offline
Joined: May 2012
Posts: 953
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, 133,xxx
Fram Ultra/ Snorkel with Pre-filter
K-9-Co-pilot
Re: oil age [Re: dallas916] #4526338
09/26/17 02:33 AM
09/26/17 02:33 AM
Joined: Feb 2014
Posts: 2,288
Kansan,1911 45ACP fan
Marco620 Offline
Marco620  Offline
Joined: Feb 2014
Posts: 2,288
Kansan,1911 45ACP fan
Its a JAG,treat it as so and spend the coin.


15' Civic 179k.0w20 Redline/Archoil9100,Eibach,Yokohama/Borla Exhaust/Tein Suspension/Fu7317/Redline Si-1
Right to work state proud. Non union household
Re: oil age [Re: dallas916] #4526392
09/26/17 05:56 AM
09/26/17 05:56 AM
Joined: Dec 2011
Posts: 4,751
North Carolina
rooflessVW Offline
rooflessVW  Offline
Joined: Dec 2011
Posts: 4,751
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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