Any parts you guys might think, that are not interchangable?

I'm pretty sure eveything 4wd related in a 89 tracker will fit into the 97 2wd tracker (Conversion).  Both Trackers are Five Speeds.

I can only think of two things: 

Only down fall is that I would not have the bigger splined axles.

The only part I need is the mount for the front 3rd.