<BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR> I was wondering if reducing the engine cooling system's operating temperature by 14 to 20 degress would actually have any affect. Since the engines were designed to operate with the coolant at 192 degrees --- does dropping this temperature by 7 to 10% really help prolong engine life? <HR></BLOCKQUOTE>
NO!
Think of it this way ED.
Temp is only an indication of how hot the coolant is. Heat is measured in BTUs (1 BTU is the amount of heat it takes to raise 1 pound of water 1 degree farenheit).
Now your engine still makes the same amount of heat from the combustion process and you are passing a lesser amount of heat to the cooling system because you are not heating the coolant to as high a temp. So where is the extra heat at? You guessed it... still in the engine block.
However, in theory you should make more power because you are not passing as much heat to the intake air passing through the intake manifold, thus a denser intake charge.
Don
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