I want to build a bulletproof 8.8 for a foxbody. I want it to be factory type disc brakes (dunno if discs are optimal for manual brakes), dont want to tub the car, 5/8 studs, and i want 9 inch ends (cuz from what ive read those are the strongest???).What diff should i be looking for out at the junkyard to get me started?....Thanx in advance for the help