If you are good with a torch and welder, anything is possible.

Honestly, it's cheaper and easier to start with a 4X4 chassis and build from there. There are enough differences between the two that even some of the common parts won't interchange without extra work.

It has been done, check the Offroad and 4x4 forum. Try out the search function as well.

https://www.ford-trucks.com/forums/f...splay.php?f=63