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. http://gmauthority.com/blog/2016/12/deep-dive-gms-new-9-speed-automatic-transmission/
blog article
DEEP DIVE: GM’S NEW 9-SPEED AUTOMATIC TRANSMISSION
An all-new, transverse Hydra-Matic planetary automatic transmission dubbed “9T50,” based on GM’s existing 6-speed transverse automatic transmission. The unit’s design and engineering are being shared with Ford Motor Company, in exchange for the right to use a new, Ford-developed 10-speed longitudinal automatic in products like the Chevrolet Camaro ZL1. It’s a sort of “two transmissions for the cost of one” deal for GM and Ford.
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