1997 Chevrolet Corvette Owner's Manual - Page 325

Part D: Recommended Fluids and Lubricants NOTE: Fluids and lubricants identified below by name, part number or specification may be obtained from your GM dealer. USAGE Engine Coolant FLUID/LUBRICANT USAGE Engine Oil FLUIDLUBRICANT The enginerequires a special oil meeting GM Standard GM47 18M. Oils meeting this Standard may be identified as synthetic, and should also beidentified with the American Petroleum Institute Certified For Gasoline Engines "Starburst" symbol. However, not all SyntheticAPI oils withthe Starburst symbol will meet this GM Standard. You should look for and use only an oil that meets GM Standard GM4718M. For the proper viscosity, see "Engine Oil" in the Index. Hydraulic Brake System 50/50 mixture of clean water (preferably distilled) and use only GM Goodwrench@DEX-COOL or Havoline@DEX-COOL coolant. See "Engine Coolant" in the Index. Delco Supreme 11 Brake Fluid (GM Part No. 12377967 or equivalent DOT-3 brake fluid). @ TM Hydraulic Clutch Hydraulic Clutch Fluid (GM Part No. 12345347 or equivalent System DOT-3 brake fluid). Power Steering System Manual Transmission Automatic Transmission GM Synthetic Power Steering Fluid (GM Part No. 12345866 or 12345867 or equivalent). DEXRON@-I11 Automatic Transmission Fluid. DEXRON@-I11 Automatic Transmission Fluid. I