Toyota MZ engine

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The Toyota MZ engine family is a piston V6 engine series. It was the successor to the previous VZ engine family, and was Toyota's second V6 engine series. It is a lightweight V6 engine of an all-aluminium design, using more lightweight parts than the previous heavy-duty VZ block engines in an effort to lower production costs and decrease engine and reciprocating weight without sacrificing reliability. Toyota sought to enhance the drivability pattern of the engine (over the 3VZ-FE) at exactly 3000 rpm, since that was the typical engine speed for motors cruising on the highway. The result was less cylinder distortion coupled with the decreased weight of rotating assemblies, smoother operation at that engine speed, and increased engine efficiency. The MZ series has an aluminium engine block and aluminium alloy DOHC cylinder heads. The cylinders are lined with cast iron, and is of a closed deck design (no open space between the bores). The engine is a 60 degree V6 design. It uses multi-port...

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