You don't REALLY need to mark them, as they only fit one way, and most? all? do have an index mark. Make sure the converter is free, you don't want it stuck in the crank register and drag the converter out with the engine, in fact I always make a scrap metal bracket on a lower bolt to retain the converter in the trans.
Use you head. If the trans weight is sorta "hanging" on the engine, remove the two top bell bolts last. If the trans is sort of "lifting up" as on a tire or block, pull the two large bottom bolts last.
You do know? you can download shop manuals for free?
