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Eaton M90 Roots-type (on some 2.8 and 2.9 engines) Turbocharger: Janspeed and Turbo Technics (on some 2.8 and 2.9 engines) Fuel system: Carburettor Mechanical fuel injection Electronic fuel injection: Management: Bosch K-Jetronic or L-Jetronic (on some versions) Fuel type: Petrol: Cooling system: Water-cooled: Output; Power output: 82–328 PS ...
Both the 4.9 and 4.5 port fuel-injected engines required premium fuel due to a 9.5:1 compression ratio. The 4.9 produces its maximum horsepower at 4100 rpm. The 4.9 L was used throughout the Cadillac line and was last available in the 1995 DeVille. The 4.9 was replaced by the new 4.6-liter Cadillac Northstar engine.
All Barra I6 engines are DOHC with Variable valve timing and contain 24 valves. [2] They are a development of the SOHC "Intech" I6s produced between 1998 and 2002, or the SOHC produced from 1988 to 1998, which in turn are a development of the 3.3 and 4.1 L push-rod flat-tappet I6, developed in Australia as an "Alloy Head" Crossflow in 1980, eventually in both carburetted and injected versions ...
The LT9's listed specifications are 160 hp (119 kW) at 3,800 rpm and 250 lb⋅ft (339 N⋅m) of torque at 2,800 rpm with 8.3:1 compression. [28] LT9 engines were carbureted with Rochester Quadrajets from the factory and generally have four-bolt mains. The LT9 is often known as the "M-code 350," from the eighth character of the VIN. [27]
For the North American-spec Transit, * the 3.2 L Duratorq is modified to meet American and Canadian emissions standards and is branded as a Power Stroke engine. The 3.2 Power Stroke is rated 188 PS (138 kW; 185 hp) and 470 N⋅m (350 lb⋅ft).[8]
The 4.2-liter V8 engine (GM RPO code LTA) is an eight-cylinder, dual overhead cam (DOHC) twin turbo engine produced by General Motors specifically for use in Cadillac luxury vehicles. The engine is the result of a new clean-sheet engine design as well as Cadillac's first twin-turbo V8 engine. It first launched with the 2019 Cadillac CT6. [10]
These engines vary in displacement between 2.8 and 3.4 litres (2,837 and 3,350 cc) and have a cast-iron block and either cast-iron or aluminum heads. Production of these engines began in 1980 and ended in 2005 in the U.S., with production continued in China until 2010. This engine family was the basis for the GM High Value engine family.
All engines have cast iron blocks and cylinder heads. The engines are based on the Chevrolet Small-Block engine, and the V6 is formed by the removal of the #3 and #6 cylinders. The V6s share the same 4.4-inch (110 mm) bore spacing and 9.025-inch (229.2 mm) deck height as the V8 engines.