Ford Announces 3-Cylinder EcoBoost Engine

Ford Announces 3-Cylinder EcoBoost Engine

It has been EcoBoost week around here. News came that future Mustangs may well be getting EcoBoost power. Yesterday we learned that EcoBoost F-150’s are selling like hot cakes. Today Ford has just made an announcement about an all new 1.0 turbocharged, direct-injected three-cylinder engine to power small cars soon.

What will be the smallest ever built by Ford for a production car, and the first three-cylinder engine, Engineers at Ford’s Dunton Technical Centre in the U.K. began designing the new EcoBoost 1.0-liter engine long before the current spike in fuel prices.

The new three-cylinder engine will be available globally in the company’s small cars. But to many’s surprise it will also play an important role in North America.

“Consumers are telling us they want to buy affordable vehicles that get many more miles per gallon,” said Derrick Kuzak, Ford group vice president of Global Product Development. “Our new 1.0-liter EcoBoost engine will give consumers looking for hybrid-like fuel economy a new, more affordable choice.”

Final calibrations of the new EcoBoost 1.0-liter are under way. Kuzak said the new engine will deliver horsepower and torque outputs equivalent to or better than most normally aspirated 1.6-liter gasoline engines.


This lends us to believe that the first application we may see in North America for the 1.0 liter EcoBoost would be in the Ford Fiesta. While horsepower numbers have not been published, the fact that it compares with the 1.6 liter engine currently found in the Fiesta is a good indicator of how it may be used.

The new engine has a number of new technologies that Ford says may also make their way into other engines in the future. One is an  offset crankshaft that helps improve fuel economy. It also has a split cooling system that allows the cylinder block to warm up before the cylinder head. Faster cylinder block warm-ups save fuel, especially in cold weather.

The  exhaust manifold is cast into the cylinder head. Because the head is water cooled, the one-piece assembly lowers the temperature of the exhaust gases. This enables the engine to run in a wider rpm band with the optimum fuel-to-air ratio. The new design also saves weight and allows the engine to operate more smoothly.

Add turbocharging, direct injection and twin independent variable camshaft timing (Ti-VCT) and the 1.0 liter EcoBoost engine can produce the same power as a 1.6 naturally aspirated engine but with even better efficiency. When you consider the Ford Fiesta can already achieve 40 mpg with the 1.6, it raises eyebrows for what is to come.

First seen in the Ford Start concept car that debuted at Beijing in 2010, the engine more recently made its European debut in the Ford B-MAX at the 2011 Geneva Motor Show. More technical and application details for the new 1.0-liter EcoBoost engine will be released in September at the Frankfurt Motor Show in Germany. 

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