2008 Chevrolet Corvette Owner's Manual - Page 389

Recommended Fluids and Lubricants Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer/retailer. Usage Fluid/Lubricant The engine requires a special engine oil meeting GM Standard GM4718M. Oils meeting this standard can be identified as synthetic, and should also be identified with the American Petroleum Institute (API) Certified for Gasoline Engines starburst symbol. However, not all synthetic API oils with the starburst symbol will meet this GM standard. Look for and use only an oil that meets GM Standard GM4718M. For the proper viscosity, see Engine Oil on page 5-17. Fluid/Lubricant 50/50 mixture of clean, drinkable water and use only DEX-COOL® Engine Coolant Coolant. See Engine Coolant on page 5-28. Hydraulic Brake Delco® Supreme 11 Brake Fluid or System equivalent DOT-3 brake fluid. Windshield Optikleen® Washer Solvent. Washer Hydraulic Clutch Fluid. Use only GM Hydraulic Clutch System Part No. U.S. 88958860, in Canada 88901244, Super DOT-4 brake fluid. Power Steering Power Steering GM U.S. 89021184, Fluid (GM Part No. in Canada System 89021186). Chassis Chassis Lubricant (GM Part No. Lubrication (Rear Toe-Link U.S. 12377985, in Canada lubricant meeting Outer Ends with 88901242) or of NLGI #2, Category requirements ZO6 or Z51 LB or GC-LB. Option) Manual Transmission Manual Transmission Fluid (GM Part No. U.S. 88861800, in Canada 88861801). Usage Engine Oil 6-11