Just took over maintenance on this for my aunt, not sure what oil was being used. Switched over to Amsoil 15W-40 Heavy Duty Diesel and Marine when this UOA was taken.
Make/Model 2005 Silverado 2500HD
Equipment Isuzu 6.6L Duramax
Mi/HR on Oil 7120
MI/HR on Unit 58120
Sample Date 06/18/11
Make up Oil Added 0
Aluminum 4
Chromium 0
Iron 15
Copper 3
Lead 3
Tin 2
Molybdenum 93
Nickel 0
Manganese 0
Silver 0
Titanium 0
Potassium 2
Boron 382
Silicon 8
Sodium 19
Calcium 1538
Magnesium 379
Phosphorus 1072
Zinc 1350
Barium 0
SUS Viscosity @ 210F 70.3
cST Viscosity @ 100C 13.03
Flashpoint in F 385
Fuel % 2
Antifreeze % ?
Water % 0
Insolubles 0.3
Make/Model 2005 Silverado 2500HD
Equipment Isuzu 6.6L Duramax
Mi/HR on Oil 7120
MI/HR on Unit 58120
Sample Date 06/18/11
Make up Oil Added 0
Aluminum 4
Chromium 0
Iron 15
Copper 3
Lead 3
Tin 2
Molybdenum 93
Nickel 0
Manganese 0
Silver 0
Titanium 0
Potassium 2
Boron 382
Silicon 8
Sodium 19
Calcium 1538
Magnesium 379
Phosphorus 1072
Zinc 1350
Barium 0
SUS Viscosity @ 210F 70.3
cST Viscosity @ 100C 13.03
Flashpoint in F 385
Fuel % 2
Antifreeze % ?
Water % 0
Insolubles 0.3