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Looking at the power curves of different displacements, turbocharging can increase peak torque and maximum power. For the engine, naturally aspirated is standard, so turbocharging is high or optional. The advantage of a naturally aspirated engine is that the power output rises gradually and linearly and is relatively stable.
There is no noticeable time delay and lag in oil pedaling. Even if the temperature is relatively low after long-term operation, the aging and decay time of the components will be prolonged. The requirements for oil products are not too strict, and the fuel consumption is low, which can save the cost of car maintenance in the later stage.
However, the idle fuel consumption of the large-displacement self-priming engine is not optimistic. But there are pros and cons to everything. Turbocharging certainly brings super horsepower.
The turbocharged engine has 40% more peak horsepower than a naturally aspirated engine of the same displacement. But when driving in the city, the exhaust gases are not enough to meet the conditions for the turbine to start working. At this point, the turbo is more of a burden than a tool to increase horsepower, which is not the case with naturally aspirated engines.
Where turbocharging is really better than naturally aspirated is on the highway, but there's also the issue of ride comfort.
When the turbo intervenes, there is an abrupt push back feeling, which reduces the ride comfort. The biggest advantage of turbocharged engines is that they are powerful and explosive, and at the same time, they are also economical and fuel-efficient. When driving at high speeds, it is easy to reach the speed range desired by the owner.
Such a vehicle is more suitable for unbridled galloping, like a wild horse, and can better reflect its running advantage on the grassland. The biggest advantage of turbocharged engine is that it saves fuel at low speed and increases power at high speed. Because the turbine is powered by engine exhaust gases, exhaust gas pollution can be reduced accordingly.
The small-displacement turbocharged engine cannot push the turbo to intervene at low speeds, and the power drops significantly. The lag and nonlinearity after the turbine intervention can lead to some bad driving experience. Natural aspiration, as a technique that has been passed down for many years, naturally has its advantages.
Although the engine speed performance in the middle section is not as good as that of turbocharging, there is no fatigue in the front and rear sections of the turbocharged engine. In a self-aspirating engine, the air intake of the engine is slightly softer, and the output torque of the engine gradually increases with the increase of the accelerator pedal depth, while the turbocharged engine has a turbo delay. Therefore, the self-priming engine is more suitable for driving in urban road conditions, especially when there is a traffic jam.
The self-aspirated engine has a smoother ride, and the vehicle will have a lot of power when you press the accelerator pedal, so the vehicle will not suddenly increase the power.
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Turbochargers use exhaust gases from the engine to drive the turbocharger's impeller. As the engine speed increases, the displacement increases. The intake impeller of the turbocharger forms the intake air into high-pressure air and supplies it to the engine.
The technical differences between turbocharged and naturally aspirated engines have been explained countless times due to the role of turbocharging. However, the duration of naturally aspirated engines has led to too many people still being reluctant to try turbochargers and experience the true charm of internal combustion engines.
When a turbocharged engine burns gasoline, the more it burns, the more heat it releases, the more power it provides, and the more fuel efficiency it has. Current mainstream turbocharging technology uses engine exhaust gases, commonly known as "exhaust gases," to drive turbine blades to absorb more air faster, resulting in fuller combustion of gasoline and more horsepower. First, we need to figure out what the "t" means.
The full name is turbo, which refers to a turbocharged engine. We usually see it in the back of the car, etc.
This means that the car has a turbocharged engine, that is, a model with a "T". Small-displacement turbocharged engines are more suitable for high-speed operation, because the speed is relatively fast at high speeds, and there is no need to shut down, so the turbo is basically in a very efficient working condition all the time. But everything has its pros and cons.
Turbocharging certainly brings super horsepower. The turbocharged engine has 40% more peak power than a naturally aspirated engine of the same displacement. However, when driving in the city, due to the low speed of the vehicle, the exhaust gases are not enough to meet the conditions for the turbine to start working.
At this point, the turbo is more of a burden than a tool to increase horsepower, this phenomenon does not occur with naturally aspirated engines, and where turbocharging is better than naturally aspirated is on the highway, but there is another problem, and that is ride comfort. When it comes to the turbine, there is a more abrupt push back feel, which reduces ride comfort. The liter self-priming engine is still dominated by the Japanese system.
The mainstream liter self-aspirating engine has a power of between 150-170 horsepower, while the old liter engine is not even 150 horsepower. The maximum torque is concentrated at 200 N, and the torque speed is concentrated at around 4500 rpm. Usually in urban areas, it is advisable to choose a naturally aspirated engine, because the dynamic performance is linear and uniform at low speeds, while the explosive power of turbocharged engines is reflected in high-speed driving.
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Turbocharged engine. Because the turbocharged engine can provide plenty of power and accelerates quickly, I think the turbocharged engine is suitable for long road trips.
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Turbocharged engines are more suitable for road trips because they have more air intake and higher air intake, making them more powerful and comfortable to drive on road trips.
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It is better to run a naturally aspirated engine.
The temperature of the turbocharged engine can be very high when driving long distances, and the turbo must be allowed to continue working for a few minutes before stopping, otherwise it will easily burn the bottom bracket. For naturally aspirated engines, the intake air temperature will not affect the operation of the engine, and the power output is relatively smooth, and there will be no sharp acceleration due to changes in speed.
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Summary. These two engines are still turbocharged gasoline engines, and the power performance is better on the plateau. Due to the lack of oxygen content in the plateau, the torque output of the engine has a significant impact, while the lack of horsepower of the engine will be more obvious due to the low speed of the diesel engine.
In this case, the performance of the gasoline engine is much better, and the gasoline engine can use the high rpm to compensate for the lack of torque, so as to meet the vehicle's demand for engine power. And on the plateau, due to the average quality of the oil at the gas station, it is worse than in the plain area, resulting in the diesel engine is very prone to failure. In this case, the gasoline engine is not only cheaper to maintain, but also much more reliable.
If you are using off-road vehicles in highland areas, you should consider switching to gasoline vehicles, trucks, and these trucks or vehicles engaged in road transportation have no choice but diesel engines. Choose to refuel at a large gas station such as PetroChina or Sinopec, and fill up the oil every time you refuel, and refuel less than half of it in time, so as not to affect the driving due to bad oil or inability to refuel.
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These two engines are still turbocharged gasoline engines, and the power performance is better on the plateau. Due to the lack of oxygen content in the plateau, the torque output of the engine has a significant impact, while the lack of horsepower of the engine will be more obvious due to the low speed of the diesel engine. In this case, the performance of the gasoline engine is much better, and the gasoline engine can use the high rpm to compensate for the lack of torque, so as to meet the vehicle's demand for engine power.
And on the plateau, due to the average quality of the oil at the gas station, it is worse than in the plain area, resulting in the diesel engine is very prone to failure. In this case, the gasoline engine is not only cheaper to maintain, but also much more reliable. If you are using a highland vehicle, you should consider switching to a gasoline model, or a truck, and you will have no choice but to use a diesel engine for these trucks or road transportation vehicles.
Choose to refuel at a large gas station such as PetroChina or Sinopec, and fill up the oil every time you refuel, and refuel less than half of it in time, so as not to affect the driving due to bad oil or inability to refuel.
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