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Originally Posted by Teds89IROC
 As for the oil, look how many millions of years it sits in the ground, whats the difference between sitting in the ground and sitting in a dormant engine? Though maybe the oil coming into contact with air effects it  I still change mine every 3k or 3 months just because of what the popular word is 
~Ted |
the additives go bad. If it was simply crude oil, you could leave it in there, like you said, for a million years and it would barely change. But oil companies refine it and add stuff to it.