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Farmall & IHC Tractors Discussion Board |
Re: Farmall M Radiator
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Posted by chadd on February 07, 2006 at 12:22:10 from (155.92.31.116):
In Reply to: Re: Farmall M Radiator posted by Janicholson on February 07, 2006 at 10:54:28:
I always wondered the same thing. The gauge wouldn't care about pressure, but the coolant would, wouldn't it? The reason you pressurize coolant is to allow the same amount of water to absorb more heat without boiling, making it more efficient.(correct me if I am wrong here) If you have a non-pressurized radiator (technically it is a low pressure radiator as it has about 3 or 4 pounds of pressure), wouldn't the gauge need to be set to a lower temperature range? If you add 15# of pressure to the coolant, the boiling point raises up to 45 degrees above that of non-pressurized coolant (50/50 ethylene glycol has a boiling pt of about 223 deg.F at air press) Therefore, wouldn't the hot line on the gauge need to move? These are just my thoughts, not fact, so if I am wrong, let me know.
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