All supercoupes got the 8.8 rear, and even some of the NA V6 cars got the 8.8. The 94/95 auto SCs could have either a TL or an open, but all the 5-speed SCs and all the 89-93 auto SCs got the TL. Also, at least on 89-92 tbirds and cougars, the rear disc brakes, ABS, and 8.8 TL all came as one...