ok i have a 96 mustang gt and what im thinkin bout doing is taking my 4.6l out of my car and maybe puttin in a 5.0l . if i do this what would i need to do for the wiring and whatever else? would i be able to use old wiring or would i need to get a new harness and other stuff? please tell me what you think and what other stuff i should take into mind thanks. also sry if this is posted in wrong area..