If it still has the 4 cyl. rear in it, it has the 7.5 rear. If it's a completely stock 5.0, you will be fine, just no burn outs with it. If you start putting some bolt ons on it or slicks, etc. then you will have to upgrade to the 8.8.
__________________ 2005 Ford Mustang GT *Black Sunshine* Current Mods: head & taillight covers, red tri-bar pony floor mats, sequential tail lights, chrome skull & flame pedals, red wire covers, underhood billet caps/covers 1990 Ford Mustang LX Convertable *White Lightning* |