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Re: Shelf Life [Re: perryg114] #5103384 05/12/19 12:25 PM
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Uphill_Both_Ways Offline
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Somewhere on this site is a thread started by a guy who was about to, or was using, new old stock oil in his 240 Z.


2008 Impala 3.5
Vanilla Mobil 1 5W30
Napa Gold 1522 or Wix 51522
Re: Shelf Life [Re: SonofJoe] #5103385 05/12/19 12:27 PM
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Malo83 Offline
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Bah! that's why i don't keep an oil stash, why?? rather have fresh oil with the latest and greatest additives. cheers

Re: Shelf Life [Re: perryg114] #5103392 05/12/19 12:35 PM
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JC1 Offline
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I usually only buy 4-6 jugs when on sale. We only get really good oil deals on black Friday or boxing day.

I just got a few bottles of 19 year old oil for a girl at work from Walmart. I'll use them on my OPE.


2015 Grand Caravan SXT Plus 5w-30 Valvoline White Bottle/Fram Ultra Filter
1997 Honda Civic CX 5w-30 Shell Conventional/Fram Ultra Filter
Re: Shelf Life [Re: perryg114] #5103399 05/12/19 12:40 PM
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Bud Offline
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Just stay one oil change ahead and you won't have to worry about it.


2016 Honda Pilot EX-L with NAVI.....Mobil 1 0w20 AFE and Honda OEM Filter
Re: Shelf Life [Re: Bud] #5103406 05/12/19 12:54 PM
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Patman Offline
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Originally Posted by Bud
Just stay one oil change ahead and you won't have to worry about it.


But I think most people on here have run into situations where they see a great oil on for a very good sale, so they stock up as much as they can. In my case, when I saw that they reformulated Mobil 1 5w30 ESP Formula, and Canadian Tire was reducing it's price drastically to clear it out, I went out to every Canadian Tire store within a half hour radius of my house and stocked up. I now have 5 oil changes worth of it for my Corvette, so it'll last close to 5 years. But I'm not too worried, I think when a lot of manufacturers claim a shelf life of 5 years, that's rather conservative. I wouldn't have a problem with even 10 year old oil, as long as it has the necessary certifications for the car I'm putting it in. (so I wouldn't run an SL or SM oil in a car calling for SN for instance)


2018 Corvette, 15k, M1 ESP Formula 5w30 & NAPA Gold
2006 Civic EX Coupe, 151k, PUP 5w20 & Fram Ultra
2010 BMW 328i X-Drive,119k, GC 0w40 & Fram Ultra

Re: Shelf Life [Re: BobGoblin] #5103477 05/12/19 02:19 PM
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perryg114 Offline OP
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Read the article but can you tell that the oil is good just by the assay of the components? It does not have a conclusion, you have to make that yourself.

Perry

Re: Shelf Life [Re: kschachn] #5103505 05/12/19 03:00 PM
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Linctex Offline
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Originally Posted by kschachn
Chemical stability is dependent upon the specific compound, not upon the origin of the atoms.


AGREED!!

Cooking oil goes rancid because of oxidation and acids present

Motor oil does NOT "go rancid".... nor do its additive degrade, & typically don't oxidize in a closed bottle, either.

I have used oils more than 20 years old many times. If you keep it dry & out of the sun it'll last nearly forever.

Best to shake it well before using, though.


"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: Shelf Life [Re: Linctex] #5103657 05/12/19 06:38 PM
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nascarnation Offline
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I've used several dozen quarts of >10 year old Castrol "green" GC without any problems at all. Both in autos and OPE.

Re: Shelf Life [Re: nascarnation] #5103788 05/12/19 09:19 PM
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blupupher Offline
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Originally Posted by nascarnation
I've used several dozen quarts of >10 year old Castrol "green" GC without any problems at all. Both in autos and OPE.

Well we all know the magical elixer known as German Castrol is made by elves, so that does not count. LOL

Now days I am more concerned with the oil containers going bad, not the oil inside it.

As mentioned before, oil shelf life really is not an issue, but oil specs are. I think this is the big reason most manufacturers give a "shelf life".
Valvoline is the only major player I know of with no shelf life listed on their site, the say just make sure it meets spec and shake before using.


2018 Santa Fe: PP 10W-30/OEM/5k
2018 Soul: Mobil Super 5W-20/OEM/5k
2012 xB: M1 EP 0W-20/CQ Blue/5k
2002 F150: Magnatec 5W-20/Bosch D+/1yr
1994 VT1100: Peak 15W-40/Bosch D+/1yr
Re: Shelf Life [Re: perryg114] #5103887 05/13/19 12:20 AM
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BobGoblin Offline
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[Linked Image]

I do have stash of oil (mostly produced 2017-2018), when I find good deal cant miss it laugh

Re: Shelf Life [Re: perryg114] #5103906 05/13/19 01:48 AM
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Oleo Offline
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Going by how saturated and hydrogenated plant edible oils maintain their stability and resist breakdown for a long period of time, even more so for hydrocracked mineral oils I would think - especially with all those additives and sealed and away from sunlight.

Re: Shelf Life [Re: perryg114] #5104236 05/13/19 12:52 PM
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PandaBear Offline
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I regularly use 5-7 year old oil (hoard when they are almost free after rebate, now the best I can get is about $2 / qt synthetic).

From my observation the plastic bottle gets "soften" and colored more "yellow", I suspect some oil components get into the plastic and soften it over time. There are also some additives fall out of suspension and settle at the bottom. It is probably fine to use, just not as good as fresh or the newer formula out there with newer spec. Most oil have way more safety margin than we need anyways. My storage condition is in a garage that's almost 50-70 year round, on a shelf, humidity is low, out of sunlight.

Last edited by PandaBear; 05/13/19 12:54 PM.

"You keep asking questions PandaBear and you'll end up a vegetarian like my wife" - Camu Mahubah
Re: Shelf Life [Re: perryg114] #5104238 05/13/19 12:54 PM
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Mr Nice Offline
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I still have some 'red cap' 15w50 Mobil 1 from like 12 years ago.

It will still be fine 20 years from now..... ZERO worries.

Re: Shelf Life [Re: perryg114] #5104592 05/13/19 07:48 PM
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jongies3 Offline
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It was in the ground for millions of years, surely above ground won't be much different! Lol


2004 Toyota Tacoma 3.4 V6: Mobil 1 AFE 0W-30, FRAM PH3614 filter
2003 Buick Park Avenue Ultra S/C 3.8 V6: PYB 10W-30, FRAM COR3387 filter
2013 Honda 400EX ATV: Mobil 1 Racing 4t 10W-40, OEM filter
Re: Shelf Life [Re: Mr Nice] #5104806 05/14/19 05:23 AM
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demarpaint Offline
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Originally Posted by Mr Nice
I still have some 'red cap' 15w50 Mobil 1 from like 12 years ago.

It will still be fine 20 years from now..... ZERO worries.

I have a bottle of that too, my guess is it is a lot older than 12 years. You're right it will still be fine in another 20 years.

This thread has me thinking, I might mix some with some PYB 10W30 and use it in my mower. hide


God Bless Our Troops

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