Cold weather isn't a problem- - - -it flows like a 15 weight when cold, and lubricates like a 40 weight when hot. The physical thickness of the oil doesn't change with temperature.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!