Can Earth Dream engines use 5w30 oil?

[RuthMarie]

If it is a turbocharged Earth Dream engine, 5w30 oil can be used. If it is a naturally aspirated Earth Dream engine, it is recommended to use 20 viscosity oil. Here is relevant information: Function: Engine oil is known as the blood of the engine. It serves to lubricate, clean, seal, dissipate heat, cushion, and prevent rust within the engine. When purchasing engine oil, the key factor to consider is the number following the 'w'. Meaning of 'w': The 'w' in the oil grade stands for 'winter', indicating that the oil can be used normally in winter. The number before 'w' represents the oil's low-temperature flow performance. 0w oil means the oil can flow normally at -35°C, while 5w oil means it can flow normally at -30°C. The number after 'w' indicates the oil's high-temperature viscosity—the higher the number, the higher the viscosity. When the engine is running, the oil forms a film on the engine's surface, reducing wear between components and lowering movement resistance. If the oil viscosity is too low, it cannot form a stable film, increasing engine wear. If the oil viscosity is too high, it increases internal resistance, reducing engine power and increasing fuel consumption. Therefore, the oil's viscosity should neither be too high nor too low.