I change the oil every 5k as I only get highway miles maybe once every 4-6 months- everything else is extremely short trips around town. Have been running Castrol 0W-40 for several OCIs. The first number listed is from my UOA, second is the average as reported by Blackstone.
Aluminum 2 // 4
Chromium 1 // 1
Iron 17 // 26
Copper 1 // 4
Lead 0 // 2
Tin 1 // 1
Moly 3 // 36
Nickel 0 // 1
Manganese 0 // 3
Silver 1 // 0
Titanium 45 // 1
Potassium 0 // 3
Boron 2 // 52
Silicon 11 // 9
Sodium 1 // 10
Calcium 1869 // 2321
Magnesium 565 // 157
Phosphorous 867 // 847
Zinc 1075 // 989
SUS Visc. @210 71.2
cSt Visc @100 13.26
Flashpoint 400
Fuel % Antifreeze % 0.0
Water % 0.0
Insolubles 0.2
Aluminum 2 // 4
Chromium 1 // 1
Iron 17 // 26
Copper 1 // 4
Lead 0 // 2
Tin 1 // 1
Moly 3 // 36
Nickel 0 // 1
Manganese 0 // 3
Silver 1 // 0
Titanium 45 // 1
Potassium 0 // 3
Boron 2 // 52
Silicon 11 // 9
Sodium 1 // 10
Calcium 1869 // 2321
Magnesium 565 // 157
Phosphorous 867 // 847
Zinc 1075 // 989
SUS Visc. @210 71.2
cSt Visc @100 13.26
Flashpoint 400
Fuel % Antifreeze % 0.0
Water % 0.0
Insolubles 0.2
