This is the second UOA from my Duramax L5P - 6,000 miles/150 hrs on oil - 19,500 miles total on truck.
This is the first sample
I'm a bit concerned with the fuel, wear metals, and oxidation. The truck is only used for pulling our travel trailer and get almost no short tripping.
This is the first sample
I'm a bit concerned with the fuel, wear metals, and oxidation. The truck is only used for pulling our travel trailer and get almost no short tripping.