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How to operate and Maintain Borg Warner R10 R11 Overdrive

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As the roads improved and car speeds continued to increase there was a need for a transmission that would allow the engine to turn slower at higher speeds and still have the low end torque for climbing hills. The Borg-Warner R10 R11 overdrive transmission was first introduced in the 1934 Chryslers and DeSoto then used by Ford, GM, Hudson, Kaiser-Frazier, Packard, Studebaker and Willys, all total of 11 auto manufactures used this transmission. Ford first used Borg-Warner overdrive’s in the Lincoln Zephyr in 1941. Then became optional on Ford and Mercury cars from 1949 and then faded from use in cars in the ‘60s. Ford pickups continued to offer overdrive into the ‘70s. Borg-Warner R10 and R11 use a planetary gear set that fit in between the transmission and the tail shaft housing and offered a .70:1 ratio on the >>>> fill out your info below will send you complete report and other info