I sent a sample in at my last oil change and just got this back from Blackstone. I thought I would share.
2021 Bighorn 1500 4x4 3.6L E-Torque Pentastar
Pennzoil Ultra Platinum 0w20
Sampled at 52,068 miles
9,431 miles on oil - The vast majority being highway miles, with ~300 miles of towing a 7k...