I even Loctited (blue) them on the block side. I splurged and bought a spray can of aluminum paint and did the Norman trick, since I was reusing the head gasket. My only snag? That gasket barely, and I mean barely made it on the stud - I should have tried it before it was wet with Al paint it's like the studs were slightly bigger and the square pattern did not match. But it did not appear to be leaking.
Anyhow - I got my engine power band back - even seems have found some new low end grunt!!