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The GM Ecotec engine, also known by its codename L850, is a family of all-aluminium inline-four engines, displacing between 1.2 and 2.5 litres.Confusingly, the Ecotec name was also applied to both the Buick V6 Engine when used in Holden Vehicles, as well as the final DOHC derivatives of the previous GM Family II engine; the architecture was substantially re-engineered for this new Ecotec ...
11 GM Ecotec 4-cylinder pattern. 12 GM Ecotec Generation III pattern. 13 GM High Feature V6 pattern. 14 References. ... GM 4-cylinder pattern. GM Quad-4 family;
[1]: 1 They began by analyzing other four-cylinder engines in production at General Motors at the time, and they found that GM do Brasil's 151 cu in (2.5 L) version of the Chevrolet 153 cu in four-cylinder—with a shorter 3-inch (76 mm) stroke and longer 6-inch (150 mm) connecting rods—had significantly reduced secondary vibration as ...
For the J-cars, it evolved through 2002 when it was replaced by GM's Ecotec line of DOHC 4-cylinder engines. In the S-10 related models, it evolved through 2003 and was known as the Vortec 2200 . Production ceased consistent with the replacement of the S-series trucks with the GMT 355 sub-platform.
The first version of this engine family was a normally aspirated 2.2 L (134 cu in) unit. Developed under the leadership of Chief Engineer – Engine Design and Development Willem Weertman and head of performance tuning Charles "Pete" Hagenbuch, who had worked on most of Chrysler's V-8 engines and the Chrysler Slant-6 engine, [1] it was introduced in the 1981 Dodge Aries, Dodge Omni, Plymouth ...
The Family II is a straight-4 piston engine that was originally developed by Opel in the 1970s, debuting in 1981. Available in a wide range of cubic capacities ranging from 1598 to 2405 cc, it simultaneously replaced the Opel CIH and Vauxhall Slant-4 engines, and was GM Europe's core mid-sized powerplant design for much of the 1980s, and provided the basis for the later Ecotec series of ...
In a 1938 reorganization, Winton Engine Corporation became the GM Cleveland Diesel Engine Division, and GM's Detroit Diesel Engine Division began production of smaller (50–149 cu in (0.8–2.4 L) per cylinder) diesel engines. Locomotive engines were moved under the GM Electro Motive Division (EMD) in 1941, while Cleveland Diesel retained ...
First, the new AMC 2.5 replaced the four-cylinder engines purchased from GM. Second, AMC continued to purchase the 2.8 L V6 from GM until the 4.0 L I6 was introduced in 1987. The AMC 2.5 L I4 and GM's V6 shared the same drivetrain components in Jeep vehicles, whereas stronger transmissions were needed for the new 4.0 L.