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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 ...
Buick Nailhead, Generation 1 pattern [ edit ] 1953-56 Nailheads have a unique round-shaped bellhousing that looks almost the same as bells for the later 1957-66 Nailhead, but in fact the circular flange is about 1" larger.
The Buick straight-8 engine (Fireball 8) was produced from 1931 to 1953 and sold in Buick automobiles, replacing the Buick Straight-6 engine across the board in all models in 1931. Like many American automobile makers, Buick adopted the straight-eight engine in 1931 as a more powerful alternative to the previous engines.
1961–1980 Buick small block V8 (formed the basis of the 1961-1963 Oldsmobile 215 aluminum V8) (now better known as the Rover V8 and also the Buick-based "Dauntless V8" on Jeeps or the Repco V8 Formula One engine based on the Oldsmobile version) 1965–2009 Chevrolet Big-Block V8 (originally "Turbo-Jet")
Buick announced an optional 340 hp (254 kW) 425 cu in (7.0 L) version of the Nailhead in December 1962. Total production was deliberately limited to 40,000 vehicles (in a year that Buick sold 440,000 units overall) to emphasize the Riviera's exclusivity and to increase demand; only 2,601 were delivered with the delayed availability larger ...
In 1962 the Wildcat was a Buick Invicta subseries, mating the Invicta's longer full-size two-door hardtop Buick body (known as the "sport coupe", body production code 4647 hardtop only) [2] with a high-performance 325 hp (242 kW) version of the 401 cu in (6.6 L) Nailhead V8, known as the "Wildcat 445" for producing 445 lb⋅ft (603 N⋅m) of torque.
The 1964 Buick iron-block 4.9 L (300 cu in) engine had aluminium cylinder heads, 3.75 bore and a longer 3.4" stroke crankshaft, which with modification can be used with the Buick 215 or Rover engine blocks to produce a high-output, very light weight V8 with displacement of up to about 4.9 L (300 cu in). The 300 crank, after machining the mains ...
1965 Buick Gran Sport. The 1965 Skylark Gran Sport was the intermediate Buick Skylark with the Gran Sport option added. Although a 300 cubic inches (4.9 litres) V8 was already offered in the Skylark, the Gran Sport had the largest engine permitted by GM - a 401 cubic inches (6.6 litres) Buick V8 (called a 400 by Buick because that was the maximum engine size allowed in intermediate body cars).