The Firefly Engine rising
Friday, 9 de December de 2016
Symbol of innovation, the 2017 Uno was chosen for the debut of a new FCA global family of small engines, with 1.0-liter 3-cylinder and 1.3-liter 4-cylinder versions – the Firefly family
The new 2017 Fiat Uno is the first global-scale vehicle of FCA to receive the new global family of small engines – the Firefly family. It was developed to meet the strictest energy efficiency, emissions and durability rules and standards worldwide. The new engines not only comply with the Euro 6 and Proconve L6 resolutions as they are prepared for the new steps of these programs and were approved in rigorous tests of the U.S. market, which provides for minimum durability of 150,000 miles or 240,000 km.
The new 1.0-liter 3-cylinder and 1.3-liter 4-cylinder engines equipping the 2017 Uno adopt a 2-valves-per-cylinder architecture with optimized geometry – a first for a 1.0-liter 3-cylinder engine. It results in best-in-class higher power output, higher torque in low revs of their respective categories and low fuel consumption.
The advanced combustion system of the new Flex-Fuel engines provide greater efficiency both with ethanol and gasoline, representing the new state-of-the-art for engines with two valves per cylinder: the 1.0-liter delivers 72 horsepower and 102 Nm of (gasoline) and 77 horsepower and 106.9 Nm (ethanol), while the 1.3-liter produces 101 horsepower and 134 Nm (gasoline) and 109 horsepower and 139 Nm (ethanol).
The figures show that the new family is unbeatable in low-rev torque – allowing the engine to work on reduced rpm, ensuring greater fuel economy, lower emissions, greater silence aboard and more enjoyable driving.
With modular construction and aluminum blocks, this new family includes 3- and 4-cylinder versions with the same single piston and cylinder dimensions for both cases. This design allows sharing several components, streamlining the production and facilitating maintenance, because the same component can serve the two engines, 1.0- and 1.3-liter.
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