Thanks man. I'm not reusing the studs. My kit came with new ones.
That's cool, BUT getting the old ones out it a BASTARD. That's the problem.
They don't use any anti-seize on them and the metals are dissimilar.
2 of them come out easy, it's the ones that are actually threaded into the manifold itself that are a pain.
Like I said, hit them with some penetrant for a day or two before you do the job. It'll make it a whole lot esier.