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Turbo-Hydramatic or Turbo Hydra-Matic is the registered tradename for a family of automatic transmissions developed and produced by General Motors. These transmissions mate a three-element turbine torque converter to a Simpson planetary geartrain , providing three forward speeds plus reverse.
By the 1970s, Turbo-Hydramatic variants had replaced all of GM's early automatic transmission designs. In Argentina, the Turbo Hydra-Matic was marketed as the "Chevromatic" in the 1970s. Starting in the early 1980s, the Turbo-Hydramatic was gradually supplanted by four-speed automatics, some of which continue to use the "Hydramatic" trade name.
These use a Chrysler custom Torqueflite 904 automatic transmission with an integral Chevrolet bellhousing. Do not confuse with later AMC 2.5 L engine that uses GM small corporate pattern . Chevrolet Turbo-Thrift engine (post-1962) Chevrolet 153 Inline 4 (Chevy II, pre-Iron-Duke - includes the Vortec 3000/181 industrial/marine crate motor)
The basis of the Turboglide's unique abilities was its five-element torque converter.Most automatic transmissions have a three-element torque converter, consisting of an impeller (an engine-driven pump); a turbine that rotates with the flywheel; a transmission-driven turbine that receives the energy of the oil propelled by the impeller, and a stator that redirects the recirculating oil so that ...
However, some sources indicate that Chevrolet built almost all 1974 Monte Carlos with the Turbo Hydra-Matic transmission. The standard 350 cu in (5.7 L) "Turbo-Fire" V8 was again rated at 145 hp (108 kW) with a two-barrel carburetor in 49 states. For Californians, the standard engine was a 350 "Turbo-Fire" V8 with a four-barrel carburetor rated ...
A 3-speed light-duty version of the Turbo Hydra-Matic, called the Turbo-Hydramatic 180 was produced by GM's Hydra-Matic division from 1981 to 1998 for use in a wide variety of small cars and trucks. Hydramatic is a trade name for GM's automatic transmission division, which produces a variety of transmissions, the most notable of which is the ...
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Turbo-Hydramatic 425 (TH425 or THM 425, [1] later 325) was an automatic transmission developed and produced by General Motors. The THM425 was a derivative of the THM400; most parts directly interchange and some others will interchange with minor modifications. The internal parts spin the opposite direction in the THM425; the helical angle of ...