was wondering is there any difficulties in doing this? since one is obd1 and one is obd0 is that going to cause any problems in wiring or is it all simplistic?

 

The motor swap itself is a breeze pretty much. As for getting it running you have a few options. You can convert to obd-1 which require a obd1 dizzy, ecu, and rywire conversion harness to adapt the dizzy, O2 and such. Or you can stay OBD-0 which just require an A6 dizzy with slight modification and either a rpm switch, VTEC controller or PWO/PR3 ecu. There are pros and cons to each route.