i pulled timing out Aaron and the voltage went down a good bit and tq went up mid range.. it looked conservative ya, but it responded to less timing in a positive way. when i had him tuned on his hta86 we didnt use lots of timing either.. specifically because the car did not want it.

 

the log i sent him was an original.

so new thermostat has the temp WAY lower not even over 200* but it still pushes coolant over into the overflow and when it does that it feels as if the radiator hoses are empty... so something is deff. not right ill change the HG tomorrow when it shows up in the mail and report back them

 

decided to take the head off cause i was bored...

first turbo kit comes off

see that..



head gasket (head side, block side looked fine)

cyl. w/ the liquid in exhaust port:




Head

the cyl w/ the most liquid in port

can see where it looks like it was pushing into that coolant passage... also that valve (bottom right) slightly discolored thats the exact port w/ the excessive liquid...
that port close up:

 

other exhaust ports in head:




looks like the head could use some new valve seals?
edit after thinking about it these are mostly probably from my gloves when i was lifting the head and moving it around

 

yea looks like the exhaust is getting into the coolant and while i was here i found that valve seal on that one port was tore...

to the machine shop she goes

 

new valve seals, valve job, resurfaced

on the car w/ a new ams 2.4 headgasket from kevind

1st heat cycle done time to retorque then rip it! and get ready for tx2k12

 

lol 3 days worth of running it mildly hard and popped again on a pull during tx2k12...

this is dumb i know it cant be mechanical i had everything trued and replaced using an ams oem modified gasket....

 

FYI:

If you install a Cometic head gasket and you DID NOT resurface the head and the block to the proper smoothness (RA factor) it WILL FAIL after a short period of time.

I have seen this MANY times including my own car.

 

had a cometic work for over a year then after new tune it popped and changed to a ams oem one and it has also popped (i had the surfaces refinished)

 

You will get about a mile at highway speed and then you will hear the noise of gas pockets expanding and collapsing (kind of a loud boiling sound) from the engine compartment. This will be followed by steam emerging from under the hood. Don't keep driving. Stop, get tools and pull the thermostat.

 

found the issue....
split the block

 

That sucks. I've never seen that. Is that caused by overheating?

 

I THINK to many variables to determine ... i think the hg blew then trying to hydrolock the engine causing the piston to "rock" and take out the cyl wall as well as the piston... rod looks to be ok

 

i just blew my head gasket as well on my built 2.0 i hope this is not the case for me sucks man hopefully you get her back up and running soon.

 

Wow! Now that headgasket was pretty trashed compared to mine when I was tossing coolant out of the overflow (same thing only pulls under a good amount of boost).. I'm sorry to hear about the block man that sucks!!