Head gasket or Leaking water jacket

[joeyd0730]

hello all. here is my situation, i am getting water in my oil, i just did a compression test on each cylinder and ther are all coming up between 150-160 psi. can safely rule out a head gasket? i was assuming if my head gasket gave out i would have less psi in the bad cyl. any advise would be apprecited. would it be wise to lean towards a leaking water passage gasket.
ps i dont have white smoke from the exhaust, and car seems to be running fine.

 

[Mike92GT]

The combustion chambers are seperate from the coolant and oil passages, so it is still possible you have a blown head gasket even though there is no loss of compression. It just depends on where the gasket is blown. Another possibility could be a coolant leak from the lower intake getting into the lifter valley. Hopefully the short head bolts have sealer on the threads, or you could get leaks from there as well.

 

[fordman54935]

The combustion chambers are seperate from the coolant and oil passages, so it is still possible you have a blown head gasket even though there is no loss of compression. It just depends on where the gasket is blown. Another possibility could be a coolant leak from the lower intake getting into the lifter valley. Hopefully the short head bolts have sealer on the threads, or you could get leaks from there as well.

I had this happen on my 88 GT. The compression test checked out, but my car was overheating at random. Turned out to be a head gasket.

 

[joeyd0730]

the car is not overheating and seems to be running fine. today i pumped up the cooling system with air, i did find a leak behind the water pump. i let it sit for a while pumped it back up to max psi, then with the plugs out i cranked the motor, i didnt see any water/antifreeze blowing out the plug holes.