Quote Originally Posted by russpogi
Water cools the engine and commercial coolants protects your radiator from corrosion. If you use a commercial coolant, you also need to mix it with water. A commercial coolant mixed with water also increases the boiling point of water resulting to less pressure build up in the radiator.

BTW, we only use water for our cars' radiator.
MASAMA BA PAG MAY COOLANT?TNX..