going to pull it at 7.5 K and run the lab on it after a summer of road work, KY GA, MN, WI, OH,,,, I will post the labs ,Been using the 5W30 HPL in my Tahoe , been able to extend my drain intervals with good labs to back it up
Got a summer of travel comming up to GA, KY and MN several times and this oil takes a whooping and comes back for more
1st fill change at 6.5 K and Blackstone said I had a TBN fof 5 + and I can go easy 10K in the summer heat down south with no worries
got to get another case and try it in my wifes high milage honda