Jeff, sent you a PM..
as to some of your questions;
-yes, engine can come out w/manifolds; although easier if you at least pop front one first.. and since engine is coming out; drain and pull radiator first; and take a marker and mark hood hinge mounts, and pull hood too..
-yes, pull AirCon bolts and brackets, and the hose brackets, and you can drape; or ziptie, that compressor somewhere out of way w/o evacuating r12, 22freeze, or 134..
- on the specialty tool, sometimes can be done w/o; sometimes autozone (and others in america) will have and "loan" tools for complete cost, and then refund entire amount (so free rental).. also, sometimes mom/pop shop may rent tool; or sometimes SnapOn and other tool trucks will have private label (SnapOn sells Blue Point tools) for way less; or used tools from other people who have sold/traded-in for less than 1/2 price..
- on main bearing bolts, i do not have an answer for that tonight..