Ouch.... Feel For Ya. Our -48* With The Windchill The Other Nite Was Enuff...... I Remember A -50* When I Lived In Ft. Mcmurray In The Late '70's For A Week, And I Remember Replacing Tires That Just Plain Broke/exploded On New Vehicles At The Dealership I Worked At, Because Of The Extreme Cold.
Well finely got back and it was nassty!!! Hit a couple of spots @ -61c along the way (by Carmacks) .......
Lots of broke down crap out here, if ya touch it WILL break.