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Old 11-11-2013, 06:45 PM   #1
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Something I never thought about...

Mobil 1 Shelf Life | When is Oil Too Old

I doubt we have too much sitting around.

We all think about dinosaur oil being ageless.
Synthetic is something different.
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Old 11-12-2013, 12:31 AM   #2
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Oil doesn't get old it gets dirty.
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Old 11-12-2013, 12:49 AM   #3
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A manufacturer will only warrantee shelf life to an age that they have actually tested it at. There is a reasonable age for which a vast majority of any product will get used by, therefore making it unreasonable for a company to test their product beyond a certain age. This doesn't mean it is bad or unusable beyond that age, it likely means it hasn't been tested beyond said age. Look at oil, for example. If it is stored at reasonable temps in unopened containers, it won't get dirty, coked or water logged. These 3 are the killers of oil. Age alone is a non-factor.
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Old 11-12-2013, 07:25 AM   #4
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I was in agreement with you guys.
We all think about dinosaur oil being ageless.

However is it true for a Synthetic that " Age alone is a non-factor"?
Maybe Moble1 is saying different.
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Old 11-12-2013, 03:42 PM   #5
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Oil doesn't have aromatics so it doesn't degrade like gasoline or diesel. Kept tight in a container and out of light it should last much longer than the manufacturer says.
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Old 11-12-2013, 09:21 PM   #6
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Synthetic oil is "dino" oil, chemically modified. Read Synthetic lubricants-aren't.
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Old 11-13-2013, 11:57 AM   #7
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I found it interesting that Mobile1 lists a shelf life on it’s web site, however Valvoline has no shelf life listed for any of it’s products, per it’s web site, so they believe like most us us that is will always be good. In their Q&A they even say so.

Not all synthetic oil uses a mineral oil base:

“Pure synthetic oils (polyalkyleneglycol) are
the types used almost exclusively within the industrial sector in polyglycol oils for heavily
loaded gearboxes. These are typically concocted by even more intelligent blokes in even whiter lab coats. These chaps break apart the molecules that make up a variety of substances, like vegetable and animal oils,
and then recombine the individual atoms that make up those molecules to build new, synthetic molecules. This process allows the chemists to actually "fine tune" the molecules
as they build them. Clever stuff. But Polyglycols don't mix with normal mineral oils.”

Car Bibles : The Engine Oil Bible

It has been awhile since I have looked at “oil” and a discussion on "expiration" on a truck Web site lead me to more searches.

Interesting.
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Old 11-13-2013, 12:14 PM   #8
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Have any of you heard of marketing? If you age date it the consumer will buy into that and 1 of 2 things are likely to happen. The consumer will use it before the date and buy more, or when it passes that date they will throw it out and, you guessed it , buy more.
Think about Budweiser selling the public on the date on the can. They say its fresh and therefore good or better than other beer. However I don't throw it out after that date and it still taste fine to me. Do's canned beer ever go bad? NO. Do's oil go bad? NO.
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Old 11-14-2013, 06:08 AM   #9
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Quote:
Originally Posted by t55watson View Post
Have any of you heard of marketing? If you age date it the consumer will buy into that and 1 of 2 things are likely to happen. The consumer will use it before the date and buy more, or when it passes that date they will throw it out and, you guessed it , buy more.
Think about Budweiser selling the public on the date on the can. They say its fresh and therefore good or better than other beer. However I don't throw it out after that date and it still taste fine to me. Do's canned beer ever go bad? NO. Do's oil go bad? NO.

IF you had read my posts you would have the answer to your
"Do's".

I said I never believed oil expired.
This came about because of a discussion on a truck forum.

Valvoline says... no to the expiration date. Mobile 1 says.. yes

Some searches tells us that "REAL" synthetic oil is not oil.
There is where a difference may or may not lie.
Maybe no else had read anything.

I still believe NO ..however I am not a scientist.
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Old 11-14-2013, 06:17 AM   #10
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As a Stag aficionado I know that stag gets old. I have friends that wont touch the stuff but keep a few cans for me. And if I fail to drop by for six months, I am offered a bitter brew.... As for my own stock I make sure it don't get old...

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Old 11-23-2013, 11:14 PM   #11
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I think the most important thing to keep in mind is that the shelf life is being determined by the same company that wants to sell you more oil. They have an interest in convincing you to throw it out and buy more.
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