Originally Posted By: addyguy
No matter what the specs, I think the area PC oils really shine is in their cold-weather performance - you won't find many oils that work better in extreme cold than this one.
With a MRV of 24,800cP @ -40 degrees it's not bad but not great.
We can't get M1 0W-30 but it's a much lighter oil (HTHSV 3.0cP) with it's 13,250cP MRV.
I believe PC Duron 0W-30 (HTHSV 3.3cP) is better with a MRV of 17,456cP.
Then there's Esso XD-3 0W-30 (HTHSV 3.5cP) that has a MRV of 14,900cP.