Originally Posted By: mcrn
Hi there and welcome! I always have wanted to see AK. And just so you know its Cummins not Cummings. And im surprised that Mobil is not available to you?
I used VPBX last winter in the 6.0 PSD-did great (but it never got close to -30 here!). I've heard a lot of good things about the Esso 0W-30 & 40, I've heard it's big in the great white north of Canada, hard to find here in the lower 48.