How long have u been on these studs ?? Miles? pulls on high boost?

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Been on them less than 1k miles, high boost pulls not sure

 

Hopefully u didn't wash the bottom end bearings out with coolant..... I'd pull the whole thing and send it out ..... Just to be safe

 

Check your vtec screen for shavings, that will tell you if the bearings got beat up.I've seen this happen a couple times but it was always on anti lag, the aluminium head heats up faster then the steel plugs.they are not in there very tight to began with so it don't take much to push them out when the head heats up, I doubt the head lifted I run the fbm studs and they are solid units, still can blow a head gasket though, regardless of studs imo

 

I pulled the head off and found nothing wrong with the head gasket...how ever i found this on the fbm head studs not sure what to think of it since all studs screw back in with no problem..what do u guys think?

 

Did you have them hand tight to the block ?

 

I was waiting for hatchbone to chime in haha

 

Lol looks like they were maybe dry or tight

 

That's what she said.

 

Yea they were tight...used that peanut butter looking stuff on both sides...was hard to get them out too...broke 1 allen key taking them out