swaping a 5.0 into a 5.4

i am upgrading my brake system later but i want that brake system to really stop the speed i want to run on a 5.4 but the problem is that i dont know what do i have to do to put a 5.4 in a fox mustang.i would appriciate if sombody helped me like a demontration with pics and stuff like that my mustang pictures is in ,members pictures screen name is vipjck. its average looking and any help will be good thanx