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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 ...
Also called the GM small corporate pattern and the S10 pattern. This pattern has a distinctive odd-sided hexagonal shape. Rear wheel drive applications have the starter mounted on the right side of the block (when viewed from the flywheel) and on the opposite side of the block compared to front wheel drive installations.
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 ...
The Quad 4 is the first domestic regular production DOHC four-cylinder engine wholly designed and built by GM, the only similar prior example being the Chevrolet Cosworth Vega, whose DOHC head was designed by Cosworth in England. In addition to the 2.3-liter DOHC Quad 4s, there was also a short-lived 2.3-liter SOHC variant called the "Quad OHC ...
2003–present Fiat 1.3 JTD (marketed as Ecotec CDTI or Ecotec depending on brand) 2003–2010 VM Motori RA 420 (marketed as Ecotec 2.0 CDTI or 2.0 VCDi depending on brand) 2004–2009 Fiat 1.9 JTD (marketed as Ecotec 1.9 CDTI or 1.9 TiD/TTiD depending on brand) 1996–present GM Family B "2.0 CDTI"
Partway through the 2008 model year, the 2.4 L Ecotec was offered with a six-speed automatic transmission to improve performance and fuel economy. [ 28 ] For 2009 models, the six-speed transmission mated to the 2.4 L 4-cylinder engine or the 217 horsepower 3.5 L V6 mated to the four-speed automatic were made available on the 1LT; the six-speed ...
The cylinder head is a non-crossflow layout. This led to lowered fuel economy but was considerably cheaper to manufacture. The head and block are both made from cast iron. The CIH engine is oversquare, with the original three versions having a stroke of only 69.8 mm (2.75 in).
It is designed for 3.0–3.5 L engines producing up to 205 ft·lbf (278 N·m) of torque, but was also commonly mated to some versions of GM's 4-cylinder Ecotec line. The 4T45E came with two different bellhousing patterns, the GM Metric Pattern (for V6 Applications) and the GM Ecotec 4-Cylinder Pattern .