I removed three M8 exhaust manifold studs due to damaged threads. I now need the torque spec for the OEM M8 stud going into the head. I was unable to find it on the forums or the shop manual.
I also need to know if the threads of the stud going into the head need some type of sealant on them. The upper row of the threaded holes going into the head are walled off, but the lower row going into the head is not closed off. I've read on forums that some people had oil leak out of the stud. I definitely want to avoid that from happening. Any info is greatly appreciated.

 

15-17 ft/lbs is the torque spec for gen 1 and 2 eclipses. same engine so I imagine it will work. sadly I don't have a fancy graphic for you to see.

better to little than to much, ask me how I know

as for the oil passage I think those guys are having leaks because the stud is screwed up, or not torqued down completely in the first place. If you want to put something on the threads...this couldn't hurt. Just don't go overboard or you could block the passage way.

This would be another option.