Cylinder Block: the LUJ/LUV’s cylinder block is made of strong gray cast iron, with five reinforced main bearings.The engine incorporates numerous mass-reducing features, including a cast iron block with a hollow frame structure, hollow-cast camshafts, and a plastic intake manifold. The turbocharger in the LUJ/LUV is integrated within the exhaust manifold for reduced weight and greater packaging flexibility in smaller vehicles. The engine’s power-boosting advantage comes from forcing greater airflow into the engine, and its pressurized charge packs more air into the cylinders, allowing them to process the air and fuel of a larger engine for momentary driving situations. The wide rpm range for maximum torque helps the engine deliver a surprisingly spririted driving experience and performance. The 1.4L Turbo Ecotec LUJ/LUV is part of GM’s small-displacement, power-dense four-cylinder engines.
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