MILFORD, MI – Considered a laggard in front-wheel-drive automatic transmission development, General Motors Corp. will jump from widespread use of 4-speed FWD gearboxes to the introduction of its first 6-speed FWD kit next year. The Hydra-Matic 6T70, co-developed with Ford Motor Co., will debut in the all-new '07 Saturn Aura midsize sedan. Rated for engines up to 315 hp, the 6T70, which will be manufactured at GM's Warren, MI, powertrain plant, also eventually will be used in ...

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