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You're going to like Dynaflow
In 1948, Buick introduced its Dynaflow automatic transmission. Buicks were the first American cars to use a torque converter. The Dynaflow's torque converter drive had been developed as a part of Buick's production during World War II of the M-18 Hellcat Tank Destroyer. By 1954, 85% of Buicks were Dynaflow equipped. This informative 11-page booklet provides a summary description of the featues and advantages of Buick's Dynaflow transmission for 1949. 4" x 5". Contains two Black & White illustrations.