General Motors Shows A New Range Of Ecotec Engines
A new generation of Ecotec small-displacement engines streamlines General Motors’ global powertrain portfolio with a modular architecture that broadens its adaptability to global markets and reduces manufacturing complexity while offering customers leading-edge efficiency, refinement and durability.
The new engines were developed for GM’s global vehicle portfolio and will power many of the company’s highest-volume small cars and compact crossovers – including the next-generation Chevrolet Cruze specifically tailored for China, which launches in 2014 as a 2015 model.
By 2017, more than 2.5 million new Ecotec engines are projected to be built annually in at least five manufacturing locations around the globe: Flint, Mich. (U.S.); Shenyang, China; Szentgotthárd, Hungary; Toluca, Mexico; and Changwon, South Korea. The Flint facility alone represents an investment of more than USD200 million in technology and tooling to support the engines’ production.
The new Ecotec portfolio will include 11 engines, with three- and four-cylinder variants ranging from 1.0L to 1.5L including turbocharged versions and power ratings ranging from 75 horsepower to 165 horsepower, and torque ranging from 95 Nm to 250 Nm. The architecture is also designed to support hybrid propulsion systems and alternative fuels.
The first production applications include a 1.0L turbocharged three-cylinder for the Opel ADAM in Europe, and 1.4L turbocharged and 1.5L naturally aspirated four-cylinder engines for the 2015 next-generation Chevrolet Cruze in China.
The turbocharged variants enable the engines to deliver the power and torque of larger-displacement engines with the efficiency of smaller engines. For example, the turbocharged 1.0L three-cylinder used in the Opel ADAM makes as much power as the naturally aspirated 1.6L four-cylinder it replaces – with an estimated 20-percent improvement in efficiency.
In fact, the new Ecotec family is on the leading edge of efficiency, with the new 1.4L turbo up to five percent more efficient than the 1.4L turbo engine it will replace. The new Ecotec engines also deliver segment-challenging refinement. Noise intensity is up to 50-percent quieter than Volkswagen’s EA211 1.4L four-cylinder and up to 25-percent quieter than Ford’s 1.0L turbo three-cylinder.
Modularity in parts – such as four-cylinder and three-cylinder blocks – that share bore spacing, bore diameter, liners and other dimensions, reduces complexity while increasing the flexibility to quickly adapt the architecture for new applications.
The new Ecotec engines are calibrated to run on regular unleaded gas – even the high-output turbo variants.
The new 1.4L turbo for the 2015 next-generation Chevrolet Cruze in China is estimated at 148 horsepower and 235Nm of torque. The 1.5L is rated at an estimated 113 horsepower and 146Nm of torque.
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