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Petite engine to power Adam

17.02.2014

OPEL’s new cutting-edge 1.0-litre three cylinder petrol engine is set to debut in the urban-chic Adam at next month’s Geneva Motor Show.

The Adam will be the first car in the Opel range to receive the new, all-aluminium 1.0 Ecotec direct-injection turbo-petrol engine, which has been developed at Vauxhall/Opel’s International Technical Development Centre.

The pocket powerhouse will come in two power outputs, 66kW and 85kW. Both deliver strong, low-end torque of 166Nm from just 1 800rpm. Like the two new-generation 1.6-litre mid-size units Opel has launched recently, the 1.6 Ecotec direct-injection turbo-petrol and 1.6 CDTi ‘Whisper Diesel’, the new 1.0 Ecotec offers benchmark refinement with outstandingly low NVH.

With start/stop functionality as standard, the 66kW version gives the Adam a combined cycle fuel consumption as low as 3.8 litres/100km with CO2 emissions of just 99g/km according to preliminary data.

The first in a completely new family of small-displacement petrol engines, the 12-valve 1.0 Ecotec is the next step in Vauxhall’s powertrain offensive, following the recent introduction of new 1.6-litre mid-size petrol and diesel engine families.

These three new powertrain families share a common DNA and development target: to be the most refined in their respective categories. Starting with a clean sheet of paper, Opel’s engineers focused on eliminating ‘off-beat’ running characteristics that traditionally detract from the economical driving appeal of three-cylinder engines.

The cylinder block, in high-pressure die-cast aluminium, is designed to reduce radiated and structure-borne engine noise, as well as reduce weight. The high-pressure fuel rail and injectors are also structurally isolated from the cylinder head to minimise the transmission of pulsing, while both the fuel pump and fuel line are acoustically treated.

With all these ‘sound engineering’ features, Opel claims that new 1.0 Ecotec direct injection turbo is not only more refined than other three-cylinder engines, it’s also quieter than many four-cylinder units. For example, in bench-testing at full throttle, it emits lower noise levels across all engine speeds than similarly powerful petrol naturally aspirated engines of 1.6-litre displacement.

Article written by Autodealer
17.02.2014
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