As NikwoaC suggested search for a WC T-5, which is more likely to be found anyways as all V8 trannies are 'WC' from 1985 on. There is a misconception that all WC T-5s are stronger than the NWC units. 85-89 WCs have the same torque rating 265 lb/ft, as 83,84 NWC units. In 1990 the tranny was...