Cool project. I have a Mitsubishi 4D34T (Fuso) swapped into my 80 series Land-Cruiser. They seem to be really good engines. I'm not interested in the truck, but this would be a great daily driver for someone.
1994 Defender 110 300TDI 3 door
Series/Defender 6BT/NV4500 crew cab project (slowly merging with the above)
Diesel-swapped 1994 80 series Land-cruiser
And a difflocked 4wd turbodiesel Lambo