i don't know if this is a dumb question(probably yes) but, what is an 89 ctd auto transmission? that isn't a 727 right?? its completely different
89 727-stageIvcomp 4in intake-amsoil air filter, 4in exhaust, dennyT, 366 spring. pump turned up to make me smile! low stall converter, rebuilt tranny at 120,000miles