Autozone finally sent me info on this oil.
Description
STP 5W-40 EURO FS 6/1Q
Inspection Information Test Method Typical Value
Gravity, °API ASTM D287 34.83
Specific Gravity @ 60°F (15.6°C) ASTM D4052 0.8507
Viscosity @ 40°C, cSt ASTM D445 76.77
Viscosity @ 100°C, cSt ASTM D445 12.95...