Three-speed Turbo Hydra-Matic 350 and 400 automatic transmissions were available, and the four-speed Turbo Hydra-Matic 700R4 was introduced in 1981 and was available with the small block and 6.2-liter diesel.
Three-speed Turbo Hydra-Matic 350 automatic transmissions were available for only small block engines. The four-speed Turbo Hydra-Matic 700R4 was introduced in 1981 and was available with the small block and the 6.2-liter diesel.