i went browsing on the net and found this company and they make a trim piece so you can convert your G-body (except cutlass) passangers side bucket seat into a power seat to match you drivers one. now all you have to do is pick up a spare drivers side power seat assembly and put it onto you passangers seat.
heres the link below
http://www.autobodyfillersusa.com/servlet/Detail?no=78
heres the link below
http://www.autobodyfillersusa.com/servlet/Detail?no=78