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The Pontiac Grand Am is a car model that Pontiac Division of General Motors produced in various years between 1973 and 2005. The first and second generations were RWD mid-size cars built on the LeMans GM A platform. The Grand Am name was reused for a FWD compact car for the third- and fourth-generations. The fifth-generation versions was ...
The SD 455 was available for one more year in the Trans Am. As emissions regulations were increasing, two of the three iterations of the 455 cu in (7.5 L) engine were discontinued after 1974, with the final version of the 455 remaining available through 1976. [29]
The 455 V8 was discontinued for all LeMans models for 1975, but was still available in the Grand Am. Transmission offerings included a three-speed manual standard with the six-cylinder and 350 two-barrel V8, with the three-speed Turbo Hydra-matic optional with those engines, a "mandatory" option with all other engines in sedans and coupes, and ...
Standard equipment on Grand Ville models included a 455 cubic-inch V8 (for 1975, a 400 cubic-inch V8 was standard and the 455 optional), Turbo-Hydramatic automatic transmission, power steering and power front disc brakes. Popular options included air conditioning, power windows and driver's seat, tilt steering wheel, cruise control, AM/FM ...
The SD-455 motor was listed as an option in dealer brochures for the 1973 Grand Am and LeMans GTO(and planned for the Grand Prix as well) although none were produced for sale. Nevertheless, there appears in the October 72 issue of MOTOR TREND, a road test of a 1973 SD-455 Grand Am. 1975 Factory Service Manual lists the SD-455, but the SD-455 ...
The Pontiac brochure indicated the same 455 installed in the Grand Prix model was rated at 370 hp (280 kW). The camshafts used in the "Ram Air" 400 and the GTO 455 HO were the same. For example, manual transmission 455 HOs used the same 288/302 duration cam as the "Ram Air" 400. The 455 was rated at 360 hp (270 kW) at 4,300 rpm.
I've traveled to 50 of the countries on the 2024 Travel and Tourism Index. Germany and the United Kingdom were my least favorite trips from the countries on the list.. On the other hand, Spain and ...
1973-1974 Buick Century GS — Still available with the Stage 1 455 cid V8 rated at 270 net horsepower, mated to either a Turbo 400 or four-speed manual transmission, the latter transmission reportedly only installed in seven cars that year. The '74 Stage 1 455 was only available with the Turbo 400 automatic and detuned to 245 hp (183 kW).