my 00 ranger has the frame zed. and yes you have to get new tranny x member
http://memimage.cardomain.net/member_images/1/web/649000-649999/649156_69_full.jpg
check out that pic. thats of my front end Z'ed.
my frame was zed, raised control arm mounts, new tranny tunnel, custom control arms (adjustable). new tranny x member as well