Yes, the caliper bracket needs to come of to get the rotor off. From memory I think the Torx bit needs to be a T40 or T45, it's big. And hopefully you can break yours free without an impact gun!
2000 SVT Turbo 295hp/269ftlb@12psi
#1 for Bendix Brakes Kits!
Knuckles rebuilt w/new bearings $55
AUSSIE ENDLINKS $70
Gutted pre-cats $80/set
A lack of planning on your part does not constitute an emergency on mine!