Turbo-Hydramatic 125 C AWD
For the 1988 model year, the Pontiac Division of GM utilized a THM 125C modified to accommodate a full-time All-Wheel-Drive planetary gear transfer case and output housing to send 40% of the output torque to the rear wheels in the 3.1 liter powered 6000STE. While a similar design was used for the later 4T65E, the three speed design was utilized for only two model years, after which all-wheel drive was discontinued as an option for the carline.
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