question for the buick/trans guys....

hi...gotta put a freshly rebuilt trans in my 55 buick rooadmaster....?whats the easiest route to go????????engine n trans out in one unit?????or??diisconnect axle, torque tube assbly n drop trans from the bottom?????i figure the engine n trans out should be less hassle, as itll be easier to do the dynaflows torque converter etc....?am i right????also will the motor n trans come out of the front with the grill still in place,once i move the rad n cowling?????thanks in advance??j