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Old 09-07-2007, 06:06 PM
Sugarridge Sugarridge is offline
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Old New Oil

I just cleaned out my barn and found a case of 30 SAE oil that is probably five years old. Of course it has never been opened but has been subject to the the extreme summer Florida heat in the loft of my barn. Does anyone know if any degradation of the oil has occurred or is it good as new.
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Old 09-07-2007, 06:26 PM
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JKOOPERS JKOOPERS is offline
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i wouldn't use it . whats another 20 bucks for some oil that you know is good and not risk blowing an engine.
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Old 09-07-2007, 07:44 PM
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Nosmo Nosmo is offline
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Get Some More Opinions

I've read the oil doesn't go bad sitting on the shelves but the additives weaken over time.

Here is a very good site with a lot of chemists, engineers and folks like us gather.

www.bobistheoilguy.com/
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Old 09-07-2007, 08:11 PM
topsites topsites is offline
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I would just use it as chain bar oil myself, it's just about right for that.
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Old 09-07-2007, 09:00 PM
KTO Enterprises KTO Enterprises is offline
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Nothin wrong with it. Put it in and let it slide
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Old 09-07-2007, 09:59 PM
roguesuerte roguesuerte is offline
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I have heard that oil loses its viscosity over time whether it is used or not. I would scrap it.
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Old 09-07-2007, 10:19 PM
maintenanceguy maintenanceguy is offline
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Absolutely nothing wrong with it.

If kept clean and dry, oil lasts forever.
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Old 09-08-2007, 03:54 AM
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Brianslawn Brianslawn is offline
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did you taste it? does it still taste ok? if you really want to use it and am paranoid by doing so something will break... then just put it in a chevy truck for the next oil change. that way if the engine blows cause the oil is old... itll be no major loss.
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Old 09-08-2007, 04:18 AM
Stillwater Stillwater is offline
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Quote:
Originally Posted by Sugarridge View Post
I just cleaned out my barn and found a case of 30 SAE oil that is probably five years old. Of course it has never been opened but has been subject to the the extreme summer Florida heat in the loft of my barn. Does anyone know if any degradation of the oil has occurred or is it good as new.
Technically, engine oils have shelf lives of four to five years older oils most likely do not meet current lubricant standards. Toss the oil....
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Old 09-08-2007, 06:14 AM
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Sammy Sammy is offline
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Toss it my way.
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