Any m62 will fit, physically
Any m62 will fit, physically. So a nice M62B46 or M62B48 would do niceley.
As joyism5 said however, you'd need to change all sorts of computers/ecu'd and sometimes even igintion mopdule + keys too.
Some people say you're better off putting in a an LS1 or something because it's way cheaper and (if you are a US resident) more experienced shops.