Browse Publications Technical Papers 2016-01-1017

Development of a New 2.0L I4 Turbocharged Gasoline Direct Injection Engine 2016-01-1017

It is important to take action regarding environmental issues on a global scale, and automakers are adding downsized turbocharged engines to their line-ups as a means of reducing CO2 emissions, particularly in Europe. Honda has recently announced a next-generation powertrain series that realizes a good balance between environmental performance and driving pleasure. As part of this series, the company has developed a downsized and turbocharged 2.0L gasoline direct injection engine. This is a high-powered sports car engine positioned in the European “hot hatch” category. The development balanced engine power with good environmental performance. The new powertrain featured a range of technologies to enable these demands to be satisfied, including a high-tumble port, a dual VTC(Valve Timing Control),variable exhaust valve lift mechanism, a two-piece water jacket for the exhaust manifold, which has been integrated with the cylinder head, a mono-scroll turbocharger, pistons equipped with cooling channels and lightweight crankshaft. The engine realizes a maximum torque of 400Nm and a maximum output of 228kW, while achieving CO2 emissions of 170g/km in the EU fuel economy test cycle (36.6% maximum thermal efficiency) and clearing the Euro 6b standards. This paper will report on the technologies employed in the new powertrain.


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