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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 ...
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. [ 1 ] [ 2 ] Buick Nailhead, Generation 2 pattern
The upper and lower intake manifold is now aluminum on the naturally aspirated models. Intake ports are mildy enlarged; 1.83 in (46.5 mm) intake valves (instead of 1.8 in (45.7 mm) as on Series II) and 1.52 in (38.6 mm) exhaust valves were introduced in 2003 engines, just before switching to Series III.
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.
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 ...
The Buick V8 engine, nicknamed the Nailhead because of its relatively small intake and exhaust valves which resembled nails, [citation needed] became popular with hot-rodders in the 1950s and 1960s because the vertical attachment of the valve covers, in contrast to the angled attachment of other V8 engines, enabled the engine to fit into ...
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