Thanks for the advice, gents. I'm based in Magog, Quebec. I'm doing the work myself, evenings and weekends. I've converted and rebuilt various vehicles in the past (Austin Mini van -> Cooper S drivetrain, several 60s Beeltes to bigger motors and earlier front-ends, etc.), and I have some LandRover maintenance experience, so I'm not a *total* newbie. As the wife is unlikely to tolerate a transmission on the kitchen table for 6 months, sounds like importing a rebuilt box will be the option that offers less chance of getting me divorced. I'm sure I'll be back with more questions. Cheers!