Previous filter is here:
The 28k mile UOA is available here:
The pictures below are from the fourth filter from the second run of HPL HDEO 5w-20. The oil now has accumulated 28,000 miles of use. HPL HDEO 5w-20 has been in use for a total of 56,400 miles, again this is the second oil run. This was a longer filter duration than I have done in the last couple filter changes. I thought the cleaning was done, but there is some black carbon in the filter. The quantity of carbon chunks in the filter is small, but they are clearly visible.
Dodge Durango 3.6L - second run of HPL 5w-20 - 18,700 miles on oil - filter pictures at 6,700 mile change interval run from 152,000-158,700 miles
The first filter from this second run of HPL HDEO 5w-20 is here: https://bobistheoilguy.com/forums/threads/dodge-durango-3-6l-second-run-of-hpl-5w-20-5-000-miles-on-oil-filter-pictures-at-5-000-mile-change-interval.359054/ The second filter from this second run of HPL HDEO 5w-20 is here...
bobistheoilguy.com
The 28k mile UOA is available here:
Dodge Durango 3.6L - HPL CK-4 5w-20 - 28,000 miles on oil - 168,000 miles total
This sample was pulled from my 2014 Dodge Durango with a total of 168,000 miles and 28,000 miles on the oil. The oil is HPL's 5w-20 CK-4 based formula and has been run since Feb 9, 2022, about 21 months. The lab is Wearcheck. The usage on this 9,300 mile run was >75% high speed driving down the...
bobistheoilguy.com
The pictures below are from the fourth filter from the second run of HPL HDEO 5w-20. The oil now has accumulated 28,000 miles of use. HPL HDEO 5w-20 has been in use for a total of 56,400 miles, again this is the second oil run. This was a longer filter duration than I have done in the last couple filter changes. I thought the cleaning was done, but there is some black carbon in the filter. The quantity of carbon chunks in the filter is small, but they are clearly visible.