Quote:
Originally Posted by benhogan
What is the shelf life of motor oil in a 55 gallon drum AFTER you open it?
I've got a chance to buy one for $200 (or $3.64 a gallon) which is a good deal. It might take me 2 to 3 years to use it up.
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According to the guys from Kendall that I talked to when buying 5 gallon containers, the life of their oil is average 12 years.
I bought 5 gallon plastic containers, and was told to keep them closed to avoid humidity wherenever possible, and that some guys store the oil outside in extremely cold weather, then pour them into a second plastic container, mindful of any frozen water in the first pail.
They then take the oil into a warmer room, use a physical agitator like a paint can mixer to agitate the oil, then use it because it's free of excess moisture and the additives have been mixed. Accordoing to them, air is not an issue if you have not whipped the stuff into a frenzy.