a 3-speed Synchromesh manual transmission. Starting in 1954, Powerglide automatic transmission was available on this series. 235 in3 "Thrift-master" I6 rated at (1953 sedan delivery only) 235 in3 "Thrift-King" I6 rated at . (1953 standard equipment) 235 in3 "Blue Flame" I6 rated at . (1954 standard equipment) 235.5 in3 "Blue Flame" I6 7.5:1 CR (1954 optional equipment) Second generation (1955–1957) 1955 The 1955 model year marked the introduction of a new chassis, all new streamlined single bow bodywork, and the debut of Chevrolet's Small Block V8. The One-Fifty buyer was free to choose any powertrain option available. The business sedan was renamed the utility sedan this year. Unlike the 210 and the Bel Air, the 150 did not have any of the stainless-steel trim. Engines 235 in3 "Blue Flame" I6 rated at (manual transmission) 235 in3 "Blue Flame I6 rated at (automatic transmission) 265 in3 "Turbo-Fire" OHV V8 rated at or (optional) 1956 Engine choices remained the same, except for higher power ratings. The 265 in3 V8 was available in three different versions. The I6 had a new unified build regardless of transmission type. Engines 235 in3 "Blue Flame" I6 rated at . 265 in3 "Turbo-Fire" OHV V8 rated at . 265 in3 "Turbo-Fire" OHV V8 with quad barrel carburetor rated at 265 in3 "Turbo-Fire" OHV V8 with dual-quad barrel carburetors rated at 1957 New for 1957 was the 283 in3 small-block V8. The fuel-injected version was theoretically also available to the 150 buyer. The optional Turboglide automatic transmission became available on vehicles equipped with a V8 engine. The 1957 150 had side trim similar to the 1955's Bel Air trim. 56,266 150 four-door sedans were made for 1957, compared to the approximately 75,000 2-door versions. Engines 235 in3 "Blue Flame" I6 rated at . 265 in3 "Turbo-Fire" OHV V8 rated at . 283 in3 "Super Turbo-Fire" OHV V8 rated at . 283 in3 "Super Turbo-Fire" OHV V8 with 4-barrel carburetor rated at 283 in3 "Super Turbo-Fire" OHV V8 with dual 4-barrel carburetors rated at 283 in3 "Super Turbo-Fire" OHV V8 with Rochester Ram-Jet fuel injection rated at See also Chevrolet Nomad Tri-Five Chevrolet 210 Chevrolet Bel Air References Cars introduced in 1953 150 Motor vehicles manufactured in the United States