>It also seems to me that even with a couple of psi from the
>pump/radiator back pressure that the cap should let you get well above
>212 before it pukes. When that happens I suppose that there is more
>steam in the "closed" system and therefore the cooling effect is
>lessened and the beast overheats even more.
Jim,
The whole idea of pressurizing the cooling system is that it rises the
boiling point of water, so you can have water (not steam) at temperatures
above 212 degrees. If there was actually steam in the system, the water
pump would sound like it was trying to pump rocks!
Joe
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