Here is a VOA of Castrol Syntec 5W-50 from another forum. The date this sample was received by the lab is November 14, 2002.
code:
Castrol Syntec 5W-50
Vis. SUS @ 212 F 88.9
TBN 10.7
Insolubles Nil
Water Nil
Dilution Nil
Iron 0.9
Silver 0.0
Aluminum 1.7
Chromium 0.2
Copper 0.2
Magnesium 14.5
Sodium 2.1
Nickel 0.0
Lead 0.1
Silicon 0.7
Tin 0.0
Titanium 0.0
Boron 96
Barium 0.0
Molybdenum 59
Vanadium 0.0
Zinc 1160
Manganese 0.9
Calcium 2967
Phosphorous 1063