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Old 08-12-2013, 12:23 PM
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Buick Centurion (4BP) 1971-1973

First seen on a concept car, the Centurion was nearly identical to the contemporaneous Buick LeSabre, differing in badging and grillework, minimal chrome trim, and an absence of the VentiPorts usually found on full-size Buicks. Body styles included two-door and four-door hardtops and a convertible. There were no pillared sedans. The two-door hardtop shared the handsome semi-fastback roofline with the LeSabre and other GM B-body cars (such as the Chevrolet Impala Sport Coupe and the Olds Delta 88) along with a standard vinyl roof.

Replacing the Wildcat as the mid-line full-sized Buick positioned between the lower-priced LeSabre and the larger and more luxurious C-body Electra 225, the Centurion was promoted more as a mid-level luxury car than the Wildcat, which was marketed as a sporty/luxury performance car. The Centurion was offered initially with only the 455 in big-block V8 in two power output ranges determined by the presence of either a single or dual exhaust. The '71 Centurion produced 315 hp (235 kW) @4400 rpm and 510 lbft (690 Nm) of torque @2800 rpm with the base 455. The Centurion was also offered in the 455 Stage 1 and a Manual Trans configuration as well during the early portion of the 1971 model year. This was known as the A9 and B6 Option when ordering the car. What also separated the car from the LeSabre was that when the car would be ordered or recognized as a Centurion it would be branded as a 4P as the first two letters of the Vehicle Identification Number.

The 1972 Centurion featured minor appearance changes including a revised vertical bar grille and taillight lenses. Under the hood, the standard and only available 455 cubic-inch V8 was rated at 250 net horsepower, which represented an "on-paper" decrease from the 315 gross horsepower rating in 1971. This was due to an industry-wide change in horsepower measurements from the gross method by a dynamometer outside a vehicle with no accessories installed to a SAE net method in which horsepower was measured as installed in a vehicle with accessories and emission controls hooked up. Turbo Hydra-matic transmission, variable ratio power steering and power front disc brakes were again standard equipment.

The 1973 Centurion featured a larger 5 mph (8.0 km/h) front bumper and new vertical grille shared with LeSabre models along with revised taillights. The two-door hardtop coupe no longer included a standard vinyl roof and the distinctive formal rear window was replaced by a backlight shared with LeSabre coupes. Under the hood, the standard engine was downgraded to a four-barrel 350 V8 rated at 175 net horsepower. The 250-horsepower 455 four-barrel was now optional.

Source: wikipedia.org
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File Type: jpg buick_centurion_hardtop_coupe_2.jpg (418.7 KB, 5 views)
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buick, centurion, convertible, full-size, hardtop, lesabre


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