Yes Alberta has the worst winters. Tuesday we had a -40 C windchill in the daytime! Did you guys know when it gets to -40 C the conversion from Celsius to Fahrenheit becomes the same, -40 F! Cool eh?
Anyways the truck still started during this weeks cold snap even without being plugged in.
Thanks guys for the tips. I've been playing around with the following sizes:
205/70R15 - 1.5% too fast (NOKIAN HAKKAPELIITTA 2 studded tires available!)
215/70R15 - 0.6% too slow
235/65R15 - 1.2% too slow (probably get rubbing as others have mentioned)
225/65R15 - 0.7% too fast
205/75R15 - 1.5% too slow
I got this information from here:
Tire size calculator
Thanks
Rice