Possible blown HG and MLS Q.

[chicagoavenger]

Well I think my headgasket is going out. My coolant overflow bottle overfills, I have black spots/milky residue in the thermostat housing. The temps are crazy high while cruising and increase while driving. (220C-225C!!!!! ) And when I pulled the dipstick the oil seems bubbly/foamy. I haven't done a compression check or carbon test to verify which I will this week. My Q is when and if I do the MLS gasket I hear I need to have my head milled so that the MLS seals properly is this true? I also read that copper spray is recomended but I am unsure and would like to know if it is or if it's not. Now for my last q is there a
chance that the stockhead bolts may be loose and if so can I try to tighten them down? My buddy and I flushed the coolant, burped the system, etc, etc but I believe I need to face the fact and bite the bullet and chalk one up for a leaky HG. Thanks in advance

 

[jott5555]

a lot of people do recomend haveing the head or blocked cleaned before useing a mls hyou can also use a cometic.. me personally ive used both i preffer the cometic i never use copper spray and ive never had a head gasket leak.. on both freshly machined and defiently warn in motors, anyway i suggest arp studs and cometic hg do NOT use the factory head bolts as they are streach to torque and will not seal properly if you try to resuse them.. thing of it like a condom.. simular outcome..

 

[chicagoavenger]

Thanks yeah I didnt think I could tighten them down but i just wanted to be 100% aure. I will test it Wednesday and see what the results are and if they come up with what I already think then time to pull the head off

 

[95talon_in_ma]

You'll have baby dsm's all over the place....

Definitely sounds like the gasket is blown.
Definitely have the head decked and checked for cracks. Have them do a valve job while your at it if it has allot of miles.
Don't bother retorquing the bolts. It won't work.

Do a timing belt and water pump while your in there.

If you have allot of miles, you might want to do the rod bearings and rings. Only a few more hours while your in there.

just imo...

 

[chicagoavenger]

You'll have baby dsm's all over the place....

Definitely sounds like the gasket is blown.
Definitely have the head decked and checked for cracks. Have them do a valve job while your at it if it has allot of miles.
Don't bother retorquing the bolts. It won't work.

Do a timing belt and water pump while your in there.

If you have allot of miles, you might want to do the rod bearings and rings. Only a few more hours while your in there.

just imo...

I might just do that I have 145K and going.