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Reply to "Mangusta Freeze Plug Leaking / Blown Out"

ONE MORE THING TO CHECK.

What kind of pressure are you running on your radiator cap?  

A lot ofnpeople think that because the cars in NASCAR run over twenty pounds that it is the thing to do.

The more pressure you run the harder it is to for the water to move in the system. In a mid engine car with water traveling so far that is not good.

Every pound of pressure lowers the boiling point in the cooling system by two degrees.  With any adequate cooling system you should run no more than seven pounds. That still gives you a boiling point of 212 plus 14 degrees, or 226 degrees.

I suppose that very high pressure in the cooling system could blow out a freeze plug that was not real tight.

DICK RUZZIN

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