Firstly thankyou to all the helpful people and advice regarding my old 81 4x4 l200,and which engine to put into it.
Turns out the old original 4 speed g/box needed a wide bellhousing engine,after a bit of searching i located a 4g62b(blairs)in Chch.
The guy went out of his way to find something for me and give me a sharp price to.
The engine should arrive tommorrow and when it does ill be straight into it,this post is to keep mitsi enthusiasts informed and to keep anyone that helped in the loop.
By all accounts it sounds relatively straight forward,being an 1800 turbo im not sure how much more powerful itll be regarding certification and im not concerned either,cross that bridge when i get to it.
Ill try and get some pics up when its done