Classic Car Motor Oil
SAE Viscosity Grade
15W-40
Viscosity
@ 100 °C, cSt = 15.0
@ 40°C, cSt = 112
Viscosity Index
136
Cold Cranking Viscosity
ASTM D5293 (SAE Grade Maximum: 15W- = 7,000)
@ -20°C, cP = 6,600
Cold Pumping Viscosity
ASTM D4684 (SAE Grade Maximum: All Grades = 60,000 cP)
@ -25°C, cP = Less Than 20,000
Borderline Pumping Temperature
ASTM D3829
Maximum -4°F, -20°C
High Temperature/High Shear Viscosity Stability
@ 150°C, TBS, cP = 3.9
Flash Point, COC, °F(°C)
430 (221)
Gravity, API
27.6
Sulfated Ash, Wt. %
1.5
Total Base Number
11 ASTM D2896
Zinc (ppm)
1,600
