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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 ...
The first generation Ecotec engines are belt-driven 16-valve DOHC engines, with cast-iron cylinder blocks and aluminum cross-flow cylinder heads. They feature sodium-filled exhaust valves , a cast steel crankshaft , and a spheroidal graphite flywheel .
The higher powered version produced 100 hp (75 kW) and 230 N⋅m (170 lb⋅ft) of torque. [2] The 2.2 engine was introduced as a 115 hp (86 kW) unit, but in late 2000 was updated to 125 hp (93 kW) with 280 N⋅m (207 lb⋅ft) of torque from just 1,500 rpm, rather than the previous 260 N⋅m (192 lb⋅ft) from 1,900 rpm.
Ecotec (capitalized ECOTEC, from "Emissions Control Optimization TEChnology") is a General Motors (GM) and Opel Automobile GmbH (Opel) trademark that refers to a series of emissions technologies that were implemented throughout a range of GM engines. ECOTEC can refer to the following diesel and petrol engines originally produced by General Motors:
This revision lowered power to 115 hp (86 kW) at 5000 rpm, and torque to 135 lb⋅ft (183 N⋅m) at 3600 rpm. The engine was discontinued in 2003, replaced by the 2.2-liter DOHC Ecotec engine. Although it displaces 134 cu. in, the 2.2-liter OHV is still commonly referred to as the GM 122 today, and has been reputed for its simplicity ...
The second generation Family 0 began production in November 2002. It is an updated version of the Family 0 engine and features TwinPort technology – twin intake ports with a choke closing one of the ports at low RPM, providing strong air swirl pattern for higher torque levels and better fuel economy.
6. There’s more than one way to perceive the same economy. In 2024, the economy continued to expand, the labor market continued to add jobs, and inflation continued to cool.
The TwinTop was available in three trim levels with a range of engines in each, including a 200 PS (147 kW; 197 hp) 2.0 L turbo and the 1.9 CDTI diesel in 150 PS (110 kW; 148 hp) form. Launched in January 2007, Australian-market TwinTops came with the Z22YH 2.2 L direct-injection engine with a choice of 6-speed manual or 4-speed automatic ...