I would assume it would have to do with its grade. For example, 20W-50. It will become SAE 20 in cold temps. You may need to get a different oil for driving in such conditions.

Is my car for sale? PM me if you're in South FL.
Originally posted by XKontour98:
Haha that's awesome! Go GM!

YES, SIR!!! General Aviation is Looking good right now...http://www.beapilot.com