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Cadillac V8 engine
Reciprocating internal combustion engine / From Wikipedia, the free encyclopedia
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The term Cadillac V8 may refer to any of a number of V8 engines produced by the Cadillac division of General Motors since it pioneered the first such mass-produced engine in 1914.[1]
V8 engine | |
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![]() A 331 series V8 from the 1950s | |
Overview | |
Manufacturer | Cadillac (General Motors) |
Also called | Type 51, Monobloc, LaSalle, Northstar, Blackwing |
Production | 1914–present |
Layout | |
Configuration | 90° V8 |
Displacement |
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Cylinder bore |
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Piston stroke |
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Cylinder block material | Cast iron Aluminium |
Cylinder head material | Cast iron Aluminium |
Valvetrain |
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Compression ratio | 8.5:1, 10.0:1, 10.5:1 |
Combustion | |
Supercharger | With intercooler (in 4.4 L and 6.2 L LSA engines) |
Turbocharger | Twin-turbo (in 4.2 L engine) |
Fuel system | |
Fuel type | Gasoline |
Cooling system | Water-cooled |
Output | |
Power output | 70–550 hp (52–410 kW) |
Torque output | 265–640 lb⋅ft (359–868 N⋅m) |
Dimensions | |
Dry weight | 595 lb (270 kg) |
Most commonly, such a reference is to one of the manufacturer's most successful, best known, or longest-lived 90° V8 engine series. These include the pioneering overhead valve 331 cu in (5.4 L) cu in introduced in 1949, made in three displacements up to 390 cu in (6.4 L); a 390 cu in (6.4 L) introduced in 1963 that grew to 429 cu in (7.0 L); and a 472 cu in (7.7 L) introduced in 1968 and enlarged to 500 cu in (8.2 L). Also notable was the Northstar, which debuted in 1992 as a 4.6 litre, and was also produced in 4.4 L and 4.2 L versions.
When the Northstar engine series ended production in 2010, it became the last General Motors division to retain its own proprietary V8 design. This changed when Cadillac created the twin-turbo "Blackwing" engine in 2019.