1994 Chevrolet Camaro Owner's Manual - Page 200

Service and Appearance Care Engine Coolant The following explains your cooling system and how to add coolant when it is low. If you have a problem with engine overheating or if you need to add coolant to your radiator, see "Engine Overheating" in the Index. The proper coolant for your Chevrolet will: 0 Give freezing protection down to -34°F (-37°C). Give boiling protection up to 262°F (128°C). Protect against rust and corrosion. 0 Help keep the proper engine temperature. Let the warning lights work as they should. If you use this mixture, you don't needto add anything else. NOTICE: If you use an improper coolant mix, your engine could overheat and be badly damaged. The repair cost wouldn't be covered by your warranty. Too much water in the mix can freeze and crack the engine, radiator, heater core and other parts. What to Use: Use a mixture of one-half clean water (preferably distilled) and one-half antifreeze that meets "GM Specification 1825M," which won't damage aluminum parts. You can also use a recycled coolant conforming to GM Specification 1825M with a complete coolant flush and refill. ...I 9 8