2.2L Non IC Turbo II, easy upgrade is the IC and piping from the Shelby. But you'll also need the PCM (ECU ) to get the fuel maps right. Also the throttle body from 87-89 3.0L V6 Lebarons, Caravans, etc is an easy bolt on upgrade. Obviously the AC can go since it looks seized. But you'll have to keep the bracket or find/fab up a bracket from a non-AC 2.2/2.5L car since it is the pivot point for the Alt.
This is a great parts site....pretty much the best
http://www.forwardmotioninc.com/
And here is a great forum board:
www.turbododge.com
Wiz