I did my headgasket about 4000 miles ago now, and the car goes through water like crazy. I used a MLS HG, ARP head studs, had the valve seals replaced, and the head milled for flatness.
You can see the coolant all down the front of the block, and it appears to be coming from the head.
I ran a compression test on it today while it was warm, these are my numbers:
190-190-190-200
Before I did the HG I was at:
165-165-120-135
I have cleaned off the block and water runs down it again, from what appears to be the head. It will have a dye test done on Friday.
Can just the water jacket part of the HG be blown causing water to seep out?
I find it weird that my compression numbers are pretty good, yet I have what appears to be a blown headgasket.
#129421, "RE: Leaking Coolant - Need Opinions" In response to Reply # 1 Jan-23-10 04:51 PM by teklein
Originally posted by Star Turbo Talon its possible, I have seen similer on V-8's. Are you sure its not coming from the bottom of the thermostat housing?
It is possible that is trickling down from there, running across the exhaust gasket and being evenly distributed. When I clean it off, let dry, then start and drive again, its everywhere with clear trails from the runners.
I already ordered another thermostat gasket, should be here next week
#129422, "RE: Leaking Coolant - Need Opinions" In response to Reply # 0
Originally posted by teklein Can just the water jacket part of the HG be blown causing water to seep out?
Yes.
But look exterior first. Definitely more likely. As Terry said, thermostat housing or that little bit of hose coming from the housing going across the front of the engine likes to leak. Possible leaking in just the right spot to fall down there.
Captain Caveman
96 RS Turbo 11.414 @ 119.62 MSNS, Crower 2 NA cams, BW366, 10.5 comp, UDP, 60mm TB, W/A intercooler, 3.55 tranny 567.9whp 430tq 97 RS NA 13.188 @ 103.87 MSnS powered 12.5 comp, Crower 3's and 219.4whp with 175tq 98 RS DD 12.5 comp on stock ECU, LTH, Crower 2's, Koni, GC, Hypercoil, DG hats 99 OZ 5sp Stocker 15.856 @ 85.97 99 GS stocker auto 17.7@77mph!
#129426, "RE: Leaking Coolant - Need Opinions" In response to Reply # 3
Originally posted by bullettdsm
Originally posted by teklein Can just the water jacket part of the HG be blown causing water to seep out?
Yes. But look exterior first. Definitely more likely. As Terry said, thermostat housing or that little bit of hose coming from the housing going across the front of the engine likes to leak. Possible leaking in just the right spot to fall down there.
Awesome guys, just what I wanted to hear.
This was the first compression test since I did the HG a few months ago, and I am definitely happy with them
#129482, "RE: Leaking Coolant - Need Opinions" In response to Reply # 7
Originally posted by xcasbonx My question is...did you install the headbolts or studs correctly and torque them down in the proper pattern/specs? Probably...but just checking.
Yep, as far as I know. I didnt bolt the head down. I think I was polishing the power steering cap or something
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