Quote:
Originally Posted by A2rider
The reason I ask this is that when I worked at a fast oil change place, I was told that the oil degrades when exposed to air. Is this true?
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I've never heard of this. One thing I know it is true for brake fluid. I've used an opened oil (quart) container that has been opened for about 4 or 5 months. My assumption is that as long as the oil has not been poured inside the engine, it stays good and ready for use. Actually, I have never seen an expiration date on a quart of oil container.