Patyz -
Do you mean it is frozen to the block? There is a timing pointer on the lower end, I believe, that may be hitting something. Don't force anything yet. Go around a few more times and make sure you haven't forgotten anything. I would think if it's moving a little bit, but not breaking free, then there is something else holding it on somehow.
And yes, there should be 9 nuts, if memory serves, of course not sure what's correct for your '78