its been a while sense i been on havent had time to get aorudn tot he stang but now thats life has slowed down.i already got everything done i put the heads on and everythign went to start her up and there is water leaking form the back of the heads where they sit on the block is this due to the gasket going out agian. or the heads need to be retigthend some more? other then that she sounded good idleing through blown mufflers lol need to hurry and get her back on the road any advice would be helpful is there anything special i need to do to get all the old water a gunk out of the engine?