40WT Race Oil

Engineered for demanding racing applications, 40WT Race Oil is trusted by leading teams in stock car racing, road racing, sprint cars, Dirt Late Model series, and NASCAR Spec engines in the Camping World East and West Series.

• Reformulated for enhanced frictional properties and improved lubricity
• Contains special detergents for reduced detonation and increased cleanliness
• Polyol ester base stocks provide exceptional stability and film strength, especially under fuel dilution
• Each batch contains no less than 2200 ppm of zinc and phosphorus for superior antiwear protection
• Multi-grade formula delivers 2–4% more power than conventional oils of similar viscosity
• Improved startup protection and lower oil temperatures
• Recommended for more frequent oil changes than standard engine oils

Technical Details

• SAE Viscosity Grade: 15W40
• Kinematic Viscosity @ 100°C: 14.5 cSt
• Kinematic Viscosity @ 40°C: 93 cSt
• Viscosity Index: 162
• CCS Viscosity: 33 Poise @ -15°C
• Pour Point: -45°C (-49°F)
• Zinc Content: 2250 ppm (average)
• Phosphorus Content: 2200 ppm (average)
• NOACK Evaporation Loss (1 hr @ 250°C): 6%