![Ha Ha :haha:](https://board.marlincrawler.com/Smileys/marlin/haha.gif)
dude, a few years back i went to Minnesota in my truck at 15 below i started my truck and the cold gear oil made my truck climb over a bump stop in the parking lot
i put the rear tcase in neutral and the tranny in 1st and it warmed up nicely without trying to move
i use 80/90 gear oil