I have used a 4x4 engine in mine but I changed the oil pump and p/up to 2w/d items!
you CAN use the 4x4 pump and p/up but you have to grind away some of the inside of the 2w/d sump as the 4x4 pump/p/u hits it IIRC!
ps think if you use the 4x4 dip stick(one with the plastic end) it shows more than what's actually in the engine again IIRC been a few years seen I done that!