I usually run delo 15w-40. But once winter hit and with the high aluminum I changed to valvoline PBX 5w-40. I run diesel kleen in every tank since I got the truck.
Hey guys. Just wanted to share my last uoa. I hoping someone can help me out, not really sure what to do or whats going on with my 6.4. Truck is stock and runs great with no problem. Any help would be appreciated. Thanks
Shawn: Aluminum continued to increase in this latest report, although...