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How Ford's 3-Cylinder 1.0-Liter EcoBoost Works

Ford has a brand new 1.0-liter three cylinder engine, and it’s amazing. At first, we though it was going to be a boring lump meant to save you full and take all the fun out of driving. But no, it’s actually a replacement for your 1.4-liter and 1.6-liter normally aspirated lump. It’s basically designed by the Germans, and it will nothing short of extraordinarily.
The 1.0-liter is available with either 100 hp or 125 hp, and is already on sale in the new Ford Focus. Soon it will be introduced to the Fiesta range, most likely with the arrival of the facelift, and to the B-MAX subcompact MPV.

Here are the most unique features of the 1.0-liter EcoBoost petrol Engine:

• Small low-inertia turbocharger which increases torque and performance while minimising the lag in response during the acceleration process
• Variable timing on both intake and exhaust camshafts allowing flexibility to optimise engine efficiency under all conditions
• New water-cooled exhaust manifold integrated into the cylinder head to lower exhaust temperature and provide optimal fuel-to-air ratio even at high speeds for real-world fuel economy improvements
• Offset crank and variable oil pump which increase efficiency and ensure the engine runs at optimum oil pressure across the entire speed range
• High pressure solenoid direct injectors are located centrally providing a much cooler and denser fuel-to-air ratio, leading to more efficient combustion and reduced fuel consumption
• Dual-split cooling system with two thermostats which supports a quicker engine warm up, reduced friction within the engine, lower fuel consumption and less emissions when engine is cold
• Cambelt running in oil reduces noise and also reduces friction leading to fuel savings
• Unbalanced flywheel/pulley.  Compact in-line three cylinder engines naturally develop a combined pitch and yaw motion (resulting in a booming noise).  Instead of introducing a conventional balance shaft to counteract this, the flywheel and crank pulley are intentionally “unbalanced” to offset the primary engine shaking forces
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About the author: Mihnea Radu
Mihnea Radu profile photo

Mihnea's favorite cars have already been built, the so-called modern classics from the '80s and '90s. He also loves local car culture from all over the world, so don't be surprised to see him getting excited about weird Japanese imports, low-rider VWs out of Germany, replicas from Russia or LS swaps down in Florida.
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