Of the new-fashioned new products, MAZDA cars can only boast of Start-Stop system only. Also, in the process of modernization, engineers carefully develop options for how to increase the compression coefficient for the four gasoline unit and at the same time reduce the same coefficient for the diesel version of this engine. As a result, they agreed on a coefficient of 14: 1, which will act both on the new two -liter “atmospheric” and on a turbocharged diesel 2.2 liters of volume with a double sequential supercharger. As a result, it turned out that for the first engine it is too much, and for the second – too little.
Unfortunately, Mazda could not recreate a preferexic transmission with two clutches, the same as Ford. Therefore, in new cars, I had to use the mechanical six -speed gearbox developed by the “from scratch”, as well as the six -speed “automatic” has an improvement of the hydrotransformer. In order to avoid “slippage”, the blocking is now carried out not only with one clutch, but by a whole package of frictions, which, according to the idea of engineers, should positively affect not only at the level of fuel consumption, but also in general the reaction of the car to the gas pedal.
On the test route we were provided with “workers” prototypes of cars so that we would ride on them. Outside, the prototype differs from the serial option in that its body is entirely assembled from rivets in order to disguise its real appearance and dimensions. However, since in the automotive market of Russia there have never been on the sale of diesel options for MAZDA production cars, we actually have nothing to compare with it, because we were the first time we drove such a car. Although the bit around the four certainly liked his wide working range. Although, with 480 nm, sometimes the machine operates quite hard. The mechanical drive certainly became somewhat better from what was before. Although the lever is still quite large, the efforts for its switching have become almost insignificant.
We already had an acquaintance with the gasoline version of the car, and in anticipation of new sensations, I began to travel the circle of the track on it. The hydromechanical gearbox became certainly softer when switching speeds up and down, while switching itself occurs quickly enough. The new engine boasts an increase in traction at low and medium engine speeds.
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