im pretty sure ill pick up the one i saw on ebay
even though its an 87, it was converted to 89-91 style bumpers and ground effects, a huge plus in my book...
plus it comes with extra fenders, hood, ttops, original 2.2l engine block...
http://www.youtube.com/watch?v=5HI00hnoIWs , lol
to just give visual references...
1984-1986 Turbo Z(the black one is my old 84)
1987-1988 Shelby Z
1989-1991 Shelby