so the exhaust gases can be water-cooled to enable optimum fuel-to-air ratio across a wider rev band; The unique cast iron block warms the engine quicker than a conventional aluminium block, cutting the amount of 'warm-up' energy required by 50% and increasing fuel economy; The 'split-cooling' system has separate thermostats for the cylinder head and block to allow quick warm-up; and Two main engine drive belts are immersed in oil to deliver a quieter, more efficient engine while the variable oil pump ensures optimal oil pressure across the full speed range. These innovations resulted in the 1l EcoBoost being voted the 2012 and 2013 International Engine of The Year by a jury of 76 journalists from 36 countries, winning by the largest voting margin in the award's history.
An aerodynamic shape
Unlike passenger sedans, an SUV does not naturally lend itself to an aerodynamic shape. That's why the design and engineering teams spent a year and a half shaping the body of the EcoSport to make it more efficient when slicing through the air. They spent 160 hours in the wind transform the three-cylinder into the smooth and refined 1l EcoBoost. The traditional solution to reducing shaking forces in small-displacement engines is to install a counter-rotating balance shaft inside the motor that cancels out most vibrations. But that adds weight, increases costs, and reduces fuel economy. So the engineers came up with a smart alternative. They deliberately unbalanced the pulley and flywheel with weights placed precisely to counteract the natural shaking forces of the engine and drive the energy in a less sensitive direction. The engine mounts are also designed to decouple as well as absorb the engine's shaking forces. The 1l EcoBoost also debuts many new technologies never before seen in a Ford vehicle such as: The super-small, light, and extremely responsive turbocharger delivers power quickly when the throttle is open from low rpm. The turbocharger's ability to reach nearly 250? 000rpm results in virtually no turbo lag and the engine's peak torque of 170Nm over 1? 400-4? 500rpm is more than enough for drivers to pull away and overtake easily when necessary; The exhaust manifold is cast into the cylinder head tunnel tweaking mere millimetres and put in more than 10?000 hours on computational fluid dynamics simulations to find the perfect silhouette. Their hard work resulted in an outstandingly low drag co-efficient (0.371) of the EcoSport. Some examples of the aerodynamic actions include: A slight rise at the end of the bonnet to eliminate areas of turbulence; Front baffle built into the bumper to avoid recirculation of air and improve airflow under the vehicle; Improved sealing between the bonnet and the front grille; The raked A-pillar and tilted side mirrors are designed to also reduce wind noise; Air deflectors in front of the rear tyres; and D-pillar kicker to propel air flow. From a super fuel-efficient shape to engines that are both powerful and economical, every possible effort has been made to ensure that the EcoSport takes you to where you want to go, without hurting your pocket, while getting the job done, whether that's the daily commute or a family outing for some fun outdoor activities.?O
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