Found this on Corvetteforum.com
Quaker State 10W30 Defy, API SL synthetic blend (lab tested 2012)
Silicon = 3 ppm
Boron = 170 ppm
Magnesium = 8 ppm
Calcium = 2652 ppm
Barium = 0 ppm
Zinc = 1221 ppm
Phos = 955 ppm
Moly = 99 ppm
Potassium = 4 ppm
Sodium = 0 ppm (anti-freeze corrosion inhibitor)
TBN = 6.5 (
Viscosity (cSt at 100*C) = 11.7
$14.88 5qt Jug at WM.
Quaker State 10W30 Defy, API SL synthetic blend (lab tested 2012)
Silicon = 3 ppm
Boron = 170 ppm
Magnesium = 8 ppm
Calcium = 2652 ppm
Barium = 0 ppm
Zinc = 1221 ppm
Phos = 955 ppm
Moly = 99 ppm
Potassium = 4 ppm
Sodium = 0 ppm (anti-freeze corrosion inhibitor)
TBN = 6.5 (
Viscosity (cSt at 100*C) = 11.7
$14.88 5qt Jug at WM.