Why 50 50 antifreeze

Antifreezes contain rust inhibitors, which keep rust from forming inside the little cooling passages in the engine. If rust forms there, it can block the passages and lead to the automotive equivalent of hardening of the arteries. TOM: Here, straight antifreeze would probably give you the best rust protection. But research shows that as long as you have 50 percent antifreeze in the mixture, the rust inhibitors will do their job just fine. Not only that, but it also saves you 50 percent on your annual antifreeze bill.

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Categorised in: Driving Tips. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. Replacement radiator caps should have the same pressure rating as the original on a stock cooling system.

There also are chemical additives for the cooling system that reduce the surface tension of water to minimize the formation of bubbles and cavitation inside the cooling system. Featured: Newsmakers: Monro Inc. Featured: Newsmakers: Hankook Tire America.

Magazine Current Issue Past Issues. Connect with us. Advertise Subscribe Contact Us. By Larry Carley. Antifreeze is mixed in equal parts with water to create a coolant solution that provides both freezing and boilover protection compared to straight water. In some situations, the ratio of antifreeze in the coolant can be increased to as much as 70 percent.

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