Agreed with everyone else. Waterpump. Get it fixed immediately. Aluminum heads don't take kindly to superheated water...

I love my Contour to death, but my 'vette is still my #1 baby.
There's money to be made in racing. I should know. I put a lot of it there.
You can make a small fortune in racing. Start with a large one.
How fast do you want to go...how much money do you have?
You can fix a lot of things, but you can't fix stupid!