Call Terry Haines.
secondline@ameritech.net I think that is his email address.
He has whole transmission and if you snap a photo of it he could help you out.
Yes the MTX-75 is still made for the Focus, but the bell housing is different. If you get a junk yard trans it will be at the same risk as the first one that grenaded.
At a minimum you need to get a 2000+ shift tower for it so that you don't blow your diff again.