Lil late on this only rwd 6g7X tranny mitsu ever made is out of a montero sport and its an automatic. Rest of em are either 4wd, fwd, or awd. As I'm sure your aware.
Ive seen pics of a 6g74 shoehorned into a Quest before.
Charlie's got a forum for 6g72 rwd conversions its awfully slow but very ...