so i took a break form cars and just work ate and slept for the past year. and left my truck sitting with what i thought to be a blown head gasket it would suck the water down and leave the oil real milky, but today i had someone come pick it up to fix it for me and i just got a call with the compression numbers 4 cylinders had 170 psi one a had a 180 and one had a 150, d these numbers seem ok, and if so where could water be leaking into the oil