[China Aluminum] is the first light, in this era of the pursuit of lightweight, even if you can lose one kilogram, manufacturers are willing to do, all-aluminum engine compared to cast iron engines can be reduced weight 10 - 20 kg or so , can reduce the fuel consumption of the vehicle.
Second, the aluminum engine has good heat dissipation and strong anti-knocking properties. Good heat dissipation means that the oil warms up quickly during the start-up of the vehicle, causing little wear on the cylinder block, and the vehicle can quickly enter the working state; while good anti-knocking performance means that the vehicle can use lower-grade fuel, saving the owner Some expenses.
However, all-aluminum engines also have their own disadvantages, that is, poor resistance to high temperatures, and cannot adapt to prolonged high-power operation, which will limit vehicle performance. However, this disadvantage is not obvious and generally only affects the conversion potential of vehicles without affecting daily use.
So why are all kinds of sports cars and supercars replaced with all-aluminum engines? Are these speed machines used to run the track unable to run for a long time? Of course not, because they applied a special layer of “iron film†inside the aluminum cylinder, which greatly increased the working temperature limit of the aluminum engine. However, this is only the exclusive of some luxury cars. The all-aluminum engine of a shopping cart does not have such technical content.
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