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The 322 Fireball V8 in a 1956 Buick Century. Buick's first generation V8 was offered from 1953 through 1956; it replaced the Buick straight-eight.While officially called the "Fireball V8" [1] by Buick, it became known by enthusiasts as the "Nailhead" for the unusual vertical alignment of its small-sized valves (Originally it was known to hot-rodders as the "nail valve", because the engine's ...
The 1971 Centurion produced 315 hp (235 kW) at 4400 rpm and 510 lb⋅ft (690 N⋅m) of torque at 2800 rpm with the base 455. The Centurion was also offered in the 455 Stage 1 and manual transmission configuration as well during the early portion of the 1971 model year, shared with the Buick GSX. This was known as the A9 and B6 Option when ...
The engine was upgraded to 455 cu in (7.5 L), the largest engine Buick offered to date, rated at 370 hp (276 kW) gross, 245 hp (183 kW) net, and over 500 lb⋅ft (680 N⋅m) of torque. 1970 sales were 37,366, the second-generation Riviera proved more successful than the first, with 227,669 units sold over five the years.
The engine lineup consisted of an assortment of engines including the standard 231 cubic-inch Buick-built V6 and various optional powerplants including a Pontiac-built 301 cubic-inch V8, 350 cubic-inch V8s built by both Buick and Oldsmobile, and an Oldsmobile 403 cubic-inch V8. The V6 was standard in base and Custom coupes and sedans, the 301 ...
The engine was available in all full-size Pontiacs. An HO version could be ordered in the GTO, as GM had lifted its restrictions on offering engines larger than 400 cu in (6.6 L) in mid-sized cars (resulting in the 454 (7.44) Chevrolet Chevelle, 455 (7.5) Buick Gran Sport, and 455 (7.5) Oldsmobile 442).
The big-block engines initially used a forged crankshaft with a stroke of 3.975" for the 1965-1967 425 and 400 CID versions; starting in 1968, both the 400 cu in (6.6 L) and the 455 cu in (7.5 L) big blocks used a stroke of 4.25 in (108 mm), with crankshaft material changed to cast iron except in a few rare cases.
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The 2,600,000-square-foot (240,000 m 2) factory opened in 1937 to build Buick, Pontiac, and Oldsmobile vehicles from "knock down kits".Linden was the second of several B-O-P "branch" assembly plants (the first being the Pontiac-operated South Gate plant), part of GM's strategy to have production facilities in major metropolitan cities.
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