T5 Transmission Specifications

by Rob Wagner
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Borg-Warner manufactured the Tremec T5 five-speed manual transmission for numerous American-made cars and a limited number of Japanese cars. Borg-Warner based the T5 on the previous T4 version and constructed it in a lightweight aluminum case.


Ford used the T5 transmission extensively in the 1979 to 1993 Ford Mustangs. Ford also used the T5 in the Mercury Capri, Ford Thunderbird and the Australian Ford Falcon. The American Motors Corporation (AMC) equipped its Spirit, Concord, Jeep and Eagle models with the T5. Chevrolet placed the T5 in its compact S-10 pickup, Blazer and Camaro. The 1982 to 1986 Nissan 280ZX and 300ZX models also used the T5.

Early T5s

Ford placed early T5 transmissions in the 1979 to 1983 Mustangs powered by a 5-liter V8 engine. The engine, coupled with the transmission, developed a healthy 305 foot-pounds of torque. Torque is the twisting energy created inside the engine and transmitted to the rear axle via the transmission to give the car its acceleration. The gear ratios were 2.95 (first gear), 1.94 (second), 1.34 (third), 1.00 (fourth) and 0.63 (fifth).

Later T5s

Ford used an upgraded T5 manual transmission in its 1990 and later vehicles, with an emphasis on the Mustang. Many parts contained nickel for stronger gears. Gears 3 and 4 featured a carbon fiber content for smoother shifting. Top torque rating was 310 foot-pounds.

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