95 gasoline can make the engine back to life! Is this really the case?

We may have heard people say that 95-gasoline is more powerful than 92-gasoline, more fuel-efficient, cleaner and more environmentally friendly, and that higher-grade gasoline is better for the engine. Therefore, even if the 95th gasoline is more expensive, some car owners will be willing to pay for it. Then, is it better for all cars with 95 gasoline than 92 gasoline?

Gasoline markings refer to the octane number. For example, gasoline No. 92 is an octane number 92 gasoline. At present, most cars are used No. 92 gasoline. The basic components of gasoline are n-heptane and isooctane, and the octane numbers of isooctane and heptane are defined as 100 and 0, respectively. Isooctane has strong anti-knocking property and is a sedative agent for gasoline. N-heptane is highly flammable and is a gasoline stimulant. These two things interact with each other. The higher the iso-octane content is, the stronger the antiknock property of gasoline is.

Therefore, the biggest difference between 92 and 95 is the anti-knocking property. When the engine is running, the movement is very severe. Adding No. 95 gasoline can actually reduce the engine's wear to a certain extent.

In addition, some of the owner's friends reflected that instead of using No. 92 gasoline instead of No. 95 gasoline, they were more fuel-efficient and more powerful. There are two main reasons for this.

One is that because the cylinders of the engine will produce carbon after long-term driving and affect the in-cylinder compression ratio, we know that the volume of air in the cylinder will change during the work of the piston, and the minimum volume ratio between the maximum volume and the compression is the compression ratio. The original volume was 20, the compression was 2, and the carbon deposition was 1. After that, the uncompressed volume became 19, and the compressed one became 1, and the effect was great. When the compression ratio becomes larger, the pressure and temperature of the engine are high, and knocking is more likely to occur. Therefore, the knocking is prevented by using a higher-grade gasoline, otherwise the anti-knocking power is insufficient and the fuel consumption becomes high. So not all cars feel better after using better grades of gasoline, but they can feel better after replacing the carbon with a better oil.

Another reason is that some manufacturers are designed on the basis of gasoline No. 95 in the design of engines, but our country uses more gasoline No. 92 owners, gasoline sold better, so in the late training to become able to use No. 92 gasoline. Although No. 92 gasoline can be used normally, the addition of No. 95 gasoline will enable the performance of the design at that time to be even better, and all the power and fuel consumption shown will be more satisfactory.