A: how much to repair Head caskets?

Call Around find the best price on the gasgets and do it yourself it will save you about 500 bucks.

Q: Rebuilt the carb, and new plugs but still wont start?

I inherited the car I have replaced the pulgs and choke pull out and I rebuilt the carb as it was pouring gas out of the bottom so even floats got chanded Now it still won't start.