Bolt stuck in DP/turnbine exhaust housing

[V8killR4U]

Well I was going to take the down pipe off of my car and have a Wide Band bung drilled and welded up. Well all the bolts in the DP seem to loosen just fine except one. I mean this bolt shouldnt be so hard to remove. I think its a grade 8 bolt but not sure so i dont want to snap the head off or strip it causing more problems, any suggestions on loosening this stuborn bolt? Im not sure i used anti sieze on this or not? I mean this bolt actually springs the other way when trying to loosen it if that makes sense

 

[Dreamcar86]

Well I was going to take the down pipe off of my car and have a Wide Band bung drilled and welded up. Well all the bolts in the DP seem to loosen just fine except one. I mean this bolt shouldnt be so hard to remove. I think its a grade 8 bolt but not sure so i dont want to snap the head off or strip it causing more problems, any suggestions on loosening this stuborn bolt? Im not sure i used anti sieze on this or not? I mean this bolt actually springs the other way when trying to loosen it if that makes sense

The first thing I would try would be liquid wrench. Just keep soaking it down several hours before trying to remove it. If that does not work find a machine shop that knows what they are doing and they can back it out quick. I have been down this road and an easy out most likely will not work. I wish I could remember the machine they used but it made it look easy.
Good luck!

 

[notacarlo]

as stated in the above post, saturate that thing for a while and then try to tighten the bolt ever soo slightly. I used to break bolts all the time until the engine builder at our shop old me to do this. If it breaks, it was going to break anyway.

 

[Turbo6Smackdown]

yea, liquid wrench or pb blaster. soak it for a day, then heat the turbo by runnin it for a couple of minutes. take her for a spin around the block like 20 times gunnin it. that thing will be so hot, that bolt will come right out. beats standin there holdin a stupid torch for an hour. i just snapped off a bolt in mine.. thats how i know lol.

 

[wheelie]

You may have to drill it and use an ez-out to get it off there, like you would do on exhaust manifold studs.