Show YOUR o 0 I FOR SAFETY AND ECONOMY I YOUR COOLING SYSTEM All year round engine heat places a heavy burden on your cars car's cooling system Changes in automobile engines engines en en- gines in recent years have created increases in engine operating temperatures and more and more cars have air conditioning Cooling systems as a result must transfer a higher heat load 7 Union Carbide engineers recommend maintaining a 50 mixture of water and Prestone Preston II H Winter Summer Concentrate in the cooling system all aIt year This solution does three jobs it prevents up freeze-up protects against boil over and helps prevent corrosion Its It's vitally important to protect against the rust and other forms of corrosion that attack the cooling system unless controlled by coolant inhibitors Prestone II li engineers warn that corrosion deposits could be clogging your radiator so that it cant can't cool your engine properly A new car 1202 survey conducted by Union Carbide with the assistance of an Independent in independent independent In- In dependent research company showed that an average of 45 percent of cars tested required required required re re- re- re cooling system service because the coolant was no longer doing all of its jobs properly if If you have waited more than a year to change check checka a sample of your coolant now for signs of corrosion Even if your coolant looks looh all right its iU rust inhibitors may have lost their ability to fight off corrosion A fresh freih fill fm of Prestone H U every year will give rive you safe corrosion protection |