You're welcome. To be honest, fitting a small block into a 4x4 would mean a lot of fabrication and drivetrain swapping. Ultimately you wouldn't be left with much of it's originality. It has sharpened up nicely. If you really want a toy to mess with, find a 2WD that's a bit of a beater. Lots of parts interchange across the same generation of Mitsubishi so you could build something that you'd have fun with.
Wait til you get the 4x4 on the dirt - it will surprise you with what it can handle. Climb ev'ry mountain... recover ev'ry Yota!