Please forgive me for making the title so good (BU) (TONG) easy (WEN) understand (MO), I just think that as a consumer, even when I buy a car, I will be more concerned about power and fuel consumption. . As for what technology is used in the engine, who cares? The protagonist of today's article is a new generation of Ecotec dual-jet turbocharged engine from SAIC GM. Now that I have written the results, then let me see if it can behave like this.
Book parameters are the most powerful evidence
The new Ecotec series engines have two displacements, 1.0T and 1.3T, all of which are three-cylinder turbocharged engines. These two engines are naturally in the same series and have many identical parts. However, it is worth noting that the two parameters of the cylinder diameter and piston stroke of the two engines are completely different. To put it bluntly, this 1.3T turbocharged engine is not expanded by a 1.0T engine.
I said earlier that the two engines are eating less and still being able to do it. We can't say anything about it. Let's compare the data to see how much better they are than their opponents.
From the table we can easily see that the parameters of the Ecotec series engines are even worse than those of their competitors. In addition, the new engine is also superior to the Ecotec 1.5L naturally aspirated engine and the Ecotec 1.4T turbocharged engine currently in service.
From the data in the table, it can be seen that regardless of the displacement, the dynamic parameters of the new generation engine are significantly improved compared with the previous generation. In addition, according to the official, the 1.0T engine loses 24kg compared to the 1.5L engine, the fuel economy is increased by 10%, and the fuel consumption of the integrated working condition is reduced by 0.5-0.8L/100km. The 1.3T engine loses 25kg compared with the 1.4T engine. Decrease by 5%.
"Four high" traits make Ecotec eat less and dry
High intelligent electronic control
The dual jet system is well understood, and you can understand it in a life example. Everyone has experienced or seen hypoglycemia, that is, the whole person will be dizzy and flustered. When the symptoms are mild, we can alleviate by eating sugar or sugary drinks, which treats both the illness and the happiness of eating sugar. The intake manifold injection system is like this. When the engine demand is not high, such injection method can meet the working demand and effectively reduce the carbon deposit at the intake valve and the injector. When the symptoms of hypoglycemia are more serious, the doctor may give us an intravenous injection of glucose solution. This method is like direct injection in the cylinder. If the engine demand is large, then the fuel is sprayed in a fast-acting manner.
High efficiency integration
High-tech mute
The most difficult problem to avoid with a three-cylinder engine is vibration. Even some luxury brand three-cylinder engines will violently shake during the idle phase. However, these extra jitters not only give the driver and passengers a direct physical feeling, but also bring extra noise to the driver's ears. So in order to reduce engine shake and noise, engineers also made a lot of sound insulation design for these two engines.
High reliability and durability
How will the new Ecotec series engine be used?
Just as my wife cares about what clothes to buy with the new bag, I also care about what kind of transmission this new engine will match. Are you the same?
Summary: In summary, the new Ecotec series engines are indeed excellent, not only with good power, low fuel consumption, but also less vibration and noise. Since this trip did not experience the dynamic performance of the two engines, it is still not clear whether this engine is really as good as the manufacturer's propaganda. In the future, after we have tested the models with two engines, let's talk to them.
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