I believe this has already been implemented in some cars. I believe Caddies have this system, so if you dump all of the coolant, the computer only lets fuel and spark go to each cylinder 50% of time it normally would, using air and the engine oil to cool the engine for a specific period of time. You have much less power, but you may be able to get to the next exit at a slower speed without cooking the engine.
I'm sure Ford has implemented this in some cars as well. But, probably not on the Contour.
TB