Here is some information I got a few days ago from Warren Performance Products which makes some of the Super Tech oils.These are the High Mileage versions in 10w30 and 10W-40.They seem to be good oils.
10W-30
Physical Specifications
Procedure Test Min Max Typical Results
ASTM D4052 Specific Gravity at 60̊F NA NA 0.8714
ASTM D287 API Gravity NA NA 30.88
ASTM D445 Viscosity at 100̊C, cSt 9.3 ASTM D445 Viscosity at 40̊C, cSt NA NA 69.53
ASTM D2270 Viscosity Index NA NA 137
ASTM D1500 ASTM Color NA NA 2.5
ASTM D5293 Cold Cranking Simulator, cP NA 7000 6301
ASTM D5185 Zinc, % mass NA NA 0.085
ASTM D4951 Phosphorus, % mass 0.06 0.08 0.072
ASTM D5185 Calcium, % mass NA NA 0.214
ASTM D5185 Molybdenum, % mass NA NA 0.008
ASTM D5185 Boron, % mass NA NA 0.023
ASTM D4951 Sulfur, % mass NA 0.5 0.357
ASTM D5762 Nitrogen, % mass NA NA 0.102
ASTM D874 Sulfated Ash, % mass NA NA 0.92
TM
High Mileage 10w30 API Performance SN/GF-5
• Meets or exceeds the latest North American vehicle warranty requirements API SN and previous API engines classifications SM, SL, SJ, SH
and ILSAC GF-3 and GF-4.
10/1/2010
10W-40
Physical Specifications
Procedure Test Min Max Typical Results
ASTM D4052 Specific Gravity at 60̊F NA NA 0.8725
ASTM D287 API Gravity NA NA 30.68
ASTM D445 Viscosity at 100̊C, cSt 12.5 ASTM D445 Viscosity at 40̊C, cSt NA NA 109.70
ASTM D2270 Viscosity Index NA NA 150
ASTM D1500 ASTM Color NA NA 2.5
ASTM D5293 Cold Cranking Simulator, cP NA 7000 6757
ASTM D5185 Zinc, % mass NA NA 0.085
ASTM D4951 Phosphorus, % mass 0.06 NA 0.072
ASTM D5185 Calcium, % mass NA NA 0.214
ASTM D5185 Molybdenum, % mass NA NA 0.008
ASTM D5185 Boron, % mass NA NA 0.023
ASTM D4951 Sulfur, % mass NA NA 0.341
ASTM D5762 Nitrogen, % mass NA NA 0.102
ASTM D874 Sulfated Ash, % mass NA NA 0.92
TM
High Mileage 10W-40 API Performance SN
• Meets or exceeds the latest North American vehicle warranty requirements API SN and previous API engines classifications SM, SL, SJ, SH.
1/25/2011