done this 2 or 3 times ,doin 1 at the moment on an xr3i.ur best bet would be to get on to j.d motorsport in carlisle.they wud have evertin u need.but basically yd want,engine complete.box.subframe shafts and hubs,id say ud need a fuel tank aswell.rs2000 ecu and engine loom.it only took me 2days to do the conversion from start to finish.also jdmotorsport do the conversions aswell