http://www.tacreationsusa.com/3_4_3_8_v6_to_lt1.htm
http://v6conversion.com/homeframe.html
as far as i can tell, you should only have to switch a couple wires. i don't know which ones exactly but i believe its going to be in the harness on the driver side kick panel. the connectors that come in on the passenger side should all match up correctly. basically drop the one k member and swap it under the other car. switch over the little parts and gauge cluster then you should be good to go. i would obviously expect little details here and there to deal with.