lowering a 383 into A-body

All my big block swaps have been B -body in which i've lowered motor with transmission into the engine comparment as one unit, basically with one person sitting on the cowl pushing the transmission down with their feet to get it in. Can the A-body 383 swap be done as a unit?, and finally is there manifold that will work on the drivers side that will allow an automatic shift column? Thanks Gerry