Ford Fiesta EcoBoost..................................................
Ford Fiesta EcoBoost engine.
The Ford Fiesta is perhaps the Blue Oval's most anticipated and most important launch of an all-new product in years. But the biggest news to hot-hatch hounds is the arrival of the EcoBoost model, which will be powered by a turbocharged and direct-injected four-cylinder. Ford will be introducing both 1.6- and 2.0-liter versions of the engine. While we'd love to see the 2.0 and its expected 230 horsepower appear in the Fiesta, that'll probably be reserved for a hot Focus, with the 1.6 doing duty in the smaller car. We're not too upset—we expect about 185 horsepower out of the smaller engine, and combined with a feathery curb weight of around 2400 pounds, it should make the EcoBoost Fiesta a demonic little car. .
EcoBoost Overview
EcoBoost is a family of turbocharged and direct injected six-cylinder and four-cylinder gasoline engines produced by the Ford Motor Company. Engines equipped with EcoBoost technology are designed to deliver power and torque consistent with larger displacement, naturally aspirated engines while achieving approximately 20% better fuel efficiency and 15% reduced greenhouse emissions than these same engines. Relative to the power output and fuel efficiency of hybrid and diesel technologies, Ford sees EcoBoost as an affordable and versatile alternative and intends on using it extensively in future vehicle applications.
The first engine in the EcoBoost series is the V6. The engine first appeared in the 2007 Lincoln MKR Concept under the name TwinForce. The engine was designed to deliver power and torque output equivalent to a typical 6.0 L or larger displacement V8 while achieving at least 15% better fuel efficiency and reduced greenhouse emissions compared to the V8 engine. In the MKR the concept TwinForce engine was rated 415 hp (309 kW) and 400 lb·ft (542 N·m) of torque, as well as run on E85 fuel. When the same prototype engine reappeared in the Lincoln MKT concept in 2008 North American International Auto Show, the name was changed to EcoBoost. Official EcoBoost production began on May 19, 2009 at Ford's Cleveland Engine Plant No. 1. The production engines use the Duratec 35 V6 engine block. The fuel charging and delivery systems can attain high fuel pressures of up to 2150 PSI, necessary for efficient operation of the direct fuel injection system. It uses 2 Garrett GT15 turbochargers which can spin at up to 170,000 rpm and provide 12 PSI of boost.
The engine can consume up to 25% more air over the naturally-aspirated counterpart. Through the use of direct injection, the engine needs only regular-grade gasoline to run, though premium fuel is recommended. The EcoBoost V6 was first available as an engine option for 2010 Lincoln MKS, followed by 2010 Ford Flex, 2010 Ford Taurus SHO, and 2010 Lincoln MKT.
The fuel charging and delivery systems were co-developed with Robert Bosch GmbH.
Ford also built an experimental 3.5 L GTDI EcoBoost engine modified with E85 direct injection and gasoline port fuel injection, which achieved a BMEP score of 305 psi (27 bar), which translates to approximately 553 pound-feet (750 N·m) of torque and 316 horsepower (236 kW)@3000rpm (flat torque curve from 1500-3000rpm).
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