ok well one of my friends told me one way to find out if you have a crack head is the take off the radiator cap and start up the car and if it bubble perfusely then you have a cracked head is this true???

 

Thats a good indication of a cracked head or blown head gasket.
Get an addaptor for the spark plug hole that you cand put an air line on and pressurize one cyl at a time and watch for bubbles that will tell you wich cyl is the problem.

 

ok thank you ill check that out