Waiting to take the wheel of the Alfa Romeo Mito 1.4 Multiair 170 hp announced for the beginning of the year, we did some laps with a wheel Multiair MiTo 135 hp. The opportunity to become acquainted with this system both technically and sensations.
But what this system Multiair? This is a new way to manage the intake valves. The latter are more directly controlled by the camshaft but connected to it by an electro-hydraulic controlled using a solenoid. Clearly, using such a system composed of a rocker, an oil pump and a solenoid valve per cylinder, one can edit almost envy the opening of each inlet valve to Within the same cycle. An operating mode called Multi Lift allows even the valves open and close twice in one cycle.
Obviously, the passage from one to the other modes of operation Multiair are completely transparent to the driver and, frankly, the 135 PS version that we tested turned out nicely, even surprisingly lively provided d 'trigger mode dynamic control DNA. In other words, it is even more impatient than we expect the 170 hp version.
But what this system Multiair? This is a new way to manage the intake valves. The latter are more directly controlled by the camshaft but connected to it by an electro-hydraulic controlled using a solenoid. Clearly, using such a system composed of a rocker, an oil pump and a solenoid valve per cylinder, one can edit almost envy the opening of each inlet valve to Within the same cycle. An operating mode called Multi Lift allows even the valves open and close twice in one cycle.
Obviously, the passage from one to the other modes of operation Multiair are completely transparent to the driver and, frankly, the 135 PS version that we tested turned out nicely, even surprisingly lively provided d 'trigger mode dynamic control DNA. In other words, it is even more impatient than we expect the 170 hp version.
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