Engine & Tranny Installation-Dougs Headers, Poly Lock Mounts, Nothing Fits!

Is the starter tightly mounted? I see a loose nut.

You are talking about the nut on the bell housing stud? Right? (where's my evil laugh?)
I've had some headers that were too comfy with the mini. I ended up using a starter from a late A body slant 6. (They seem to be shorter).