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The second powertrain is an all-new 1.4-liter Kappa turbocharged GDI four-cylinder engine equipped on the Elantra Eco trim, available in Spring 2016. This engine produces 128 horsepower at 5,500 rpm and a robust 156 lb-ft. of torque at a low 1,400 ~ 3,700 rpm and will be mated to an EcoShift seven-speed dual-clutch transmission. The Eco trim is projected to achieve an unsurpassed estimated 35 mpg combined rating based on internal testing.
Other features of the 1.4L turbocharged GDI four-cylinder engine include an integrated cylinder head and exhaust manifold that improves fuel economy 5~7% at higher engine speeds. An optimized straight intake port increases tumble flow for fast combustion, suppressing knock tendency and improving fuel economy. The turbocharger is a single scroll design with an electric wastegate actuator. The optimized turbine and compressor employs a sophisticated scavenging strategy that improves low-end torque and response, while the electric wastegate actuator improves low-end torque and part-load fuel economy by reducing back pressure. Finally, the high pressure fuel injectors have six individually sized laser drilled holes to optimize the fuel spray pattern.
zdroj http://www.autoblog.com/2015/11/18/2017-hyundai-elantra-official/
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