LZA 360 Cold Weather Flow of Axle Oils

I use 75w90 in my 08 Crown Vic

But, most people on earth will seldom experience a colder day than -20 celsius. That's some artic temperatures.

who leave their house when weather is -40degree??????? i wanna know the difference at normal temp

good video very little information on differential oils tnx man

Yes very nice, What brand of gear lube were you using? Are all 75W-90 the same in the cold?