Originally Posted By: Greasymechtech
Oil visc is 9.37... thats a 30 grade and did the MDS self destruct? I'd use a 5w30. With 2 quarts topped off, I'd say that there is some crud buildup oxidation thickening, or particles not seen in the insolubles data. TAN needed!
+1!
This is why TBN alone isn't enough. Oxidation is also needed. Use a lab like Wearcheck or Polaris next time.