questions

If you don't already have them why use Granada brakes? They are heavy and small and not plentiful and cheap in junkyards any more. There are many better options nowadays.

You can't use any booster with tall valve covers. For the master cylinder an 88-up manual Ranger will work.

Yep 67 GTA , and it used the same fender emblems as the Mustangs. Cougars and Cyclones didn't get separate GT and GTA.