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Is old oil OK to use.

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MCN
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PostPosted: 20:59 - 29 Nov 2019    Post subject: Is old oil OK to use. Reply with quote
https://youtu.be/-zHlxeu_yuM

Most probably yes.
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xX-Alex-Xx
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PostPosted: 22:25 - 29 Nov 2019    Post subject: Re: Is old oil OK to use. Reply with quote
MCN wrote:
https://youtu.be/-zHlxeu_yuM

Most probably yes.


Except for when he tested it and it came back as no? Laughing
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Nobby the Bastard
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PostPosted: 22:36 - 29 Nov 2019    Post subject: Reply with quote
Arguably, its already millions of years old. Contaminated oil is a whole different kettle of chips....
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MCN
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PostPosted: 22:47 - 29 Nov 2019    Post subject: Re: Is old oil OK to use. Reply with quote
xX-Alex-Xx wrote:
MCN wrote:
https://youtu.be/-zHlxeu_yuM

Most probably yes.


Except for when he tested it and it came back as no? Laughing


What link did you watch?

The results only corroborated what was guessed.

It lubricated almost as well as modern oil even with no additive package but the limitations are that it might gel and not last as long.
But still OK to use.

The gist of my post is to calm the fears of those who are concerned about using that gallon of oil that's been sat in the shed for a few years. Yes. If 60+ year old oil works then a can of 2010 oil should be fine. (So long as it's stored been un-opened.)
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xX-Alex-Xx
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PostPosted: 00:19 - 30 Nov 2019    Post subject: Re: Is old oil OK to use. Reply with quote
MCN wrote:
https://youtu.be/-zHlxeu_yuM

What link did you watch?

The results only corroborated what was guessed.

It lubricated almost as well as modern oil even with no additive package but the limitations are that it might gel and not last as long.
But still OK to use.



The lubricity test on the machine was ok, but the lawnmower showed exactly why you wouldn't want to use it.

To quote the guy doing the test "This oil is still ok to use, but not for very long ..... this oil would sludge up an engine very quickly"
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MCN
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PostPosted: 12:11 - 30 Nov 2019    Post subject: Re: Is old oil OK to use. Reply with quote
xX-Alex-Xx wrote:
MCN wrote:
https://youtu.be/-zHlxeu_yuM

What link did you watch?

The results only corroborated what was guessed.

It lubricated almost as well as modern oil even with no additive package but the limitations are that it might gel and not last as long.
But still OK to use.



The lubricity test on the machine was ok, but the lawnmower showed exactly why you wouldn't want to use it.

To quote the guy doing the test "This oil is still ok to use, but not for very long ..... this oil would sludge up an engine very quickly"


Aye... 'OK to use' is the part to focus on.

Of course it's not perfect as there is no additive package. Like I said.

Its probably a very rudimentary base oil.

And engines were not asked to do as much then (less HP) or run for as long between oil changes. 👍
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weasley
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PostPosted: 19:03 - 30 Nov 2019    Post subject: Reply with quote
It is a non-detergent engine oil, fairly typical of the period. It wasn’t completely devoid of additives as it had zinc and phosphorus, so probably ZDDP - which is why it did ok in the wear test.

High volatility and no detergents, plus poor cold temperature properties - aahm oot.
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Last edited by weasley on 12:23 - 01 Dec 2019; edited 1 time in total
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MCN
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PostPosted: 23:20 - 30 Nov 2019    Post subject: Reply with quote
weasley wrote:
It is a non-detergent engine oil, fairly typical of the period. It wasn’t completely de kid of additives as it had zinc and phosphorus, so probably ZDDP - which is why it did ok in the wear test.

High volatility and no detergents, plus poor cold temperature properties - aahm oot.


If the 60+ years old oil stayed in grade then a 'modern' oil will be OK if the container it's stored in remains intact (and the oil was in perfect condition when packed.)

I would not use antique style oil in my modern toys.

That's not really what I was suggesting.
The link asked if 70 year old oil was still good.
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mentalboy
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PostPosted: 03:02 - 01 Dec 2019    Post subject: Reply with quote
Bloody excellent mixed with a bit of unleaded, that is to say, excellent for painting the fence with. Should keep the nasty green mouldy organic muck at bay for a while.
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weasley
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PostPosted: 12:30 - 01 Dec 2019    Post subject: Reply with quote
MCN wrote:
If the 60+ years old oil stayed in grade then a 'modern' oil will be OK if the container it's stored in remains intact (and the oil was in perfect condition when packed.)

I’ll admit I was impressed with the visual condition of it. However it was sealed in a metal tin and had very little in the way of potentially unstable additives in it. Modern oil is packed in plastic and is formulated with potent, chemically-active ingredients which can destabilise if interfered with (such as temperature swings, moisture ingress, UV etc).

Well looked-after oil should last years, but it is more susceptible to instability than such vintage oils.
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Howling Terror
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PostPosted: 15:03 - 01 Dec 2019    Post subject: Reply with quote
Why is he shouting at me.
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