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1950–1973 Powerglide — 2-speed Chevrolet (also used by Pontiac, Holden, Vauxhall and Opel). 1953-1955 Twin Turbine Dynaflow : the 1st redesign w/ 2 turbines & single stator. 1956-1957 Twin Turbine 2 Dynaflow : the 2nd redesign w/ 2 turbines & variable-pitch stator.
Most of the V8/Powerglide transmissions came with the 1.76 gear set. One notable exception was the export version of the transmission, which offered only the 1.82 ratio and was used by Holden in Australia behind their Australian built 6-cylinder and V8 engines. Holden vehicles fitted with Chevrolet V8 engines used the 1.76 ratio gear-set.
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 Turboglide is a Chevrolet constant torque, continuously variable automatic transmission [1] first offered as an option on Chevrolet V8 passenger cars for 1957. It consisted of a turbine-driven planetary gearbox with a 'switch pitch' dual-pitch torque converter stator. It had a die-cast aluminum transmission case, like Packard's Ultramatic of
Three engines were used in the 1953–1954 model years, although not all were available at the same time. All One-Fifties in 1953 used a 3-speed Synchromesh manual transmission. Starting in 1954, Powerglide automatic transmission was available on this series. 235 in 3 "Thrift-master" I6 rated at 93 hp (69 kW)(1953 sedan delivery only)
It was available with manual transmission only. The base 265cid engine saw an increase from 170 to 185 horsepower as well. While not as popular as the previous year's offering, Chevrolet still managed to sell 1.5 million cars in 1957. [20] Even now, the 1957 Chevrolet Bel Air is one of the most sought after collector cars ever produced. [17]
Both straight-6 and 265 cu in V8 engines produced; 3-speed manual transmission added late in the model year 1956: 3,467: $3,120: New body with roll-up windows; V8-only; 3-speed manual transmission becomes standard equipment and Powerglide moved to option list 1957: 6,339: $3,176: 283 cu in V8; Optional 4-speed manual and fuel injection added ...
1957 was also Chevrolet's first offering of a turbine transmission, known as the Turboglide. It was a design concept that Buick had developed with their Dynaflow transmission. However, due to a reliability reputation caused by its complexity, most automatic transmission buyers shunned the Turboglide in favor of the two-speed Powerglide that had ...