dude you can never tell by eye if the head is fine or if the block is fine ya might have i slightly warped heap in the .0001 of an in ya can never tell no water in the lines wont do it .but turn on the car and check the head but first when ya turn on the car have some one grab the upper radiator hose it it gets hard and hot within 30 ta 45 sec than diff warp head jus a couple of tips anything to help