Engine body water jacket resistance testing device and testing method thereof

The invention relates to the technical field of engine body water jacket detection, and discloses an engine body water jacket resistance testing device which comprises a water tank, a water outlet of the water tank is communicated with a pipe opening of a water inlet pipe connector of a cylinder body through a first hose, and a water inlet of the water tank is communicated with a pipe opening of a water outlet pipe connector of a cylinder cover through a second hose. A pipe opening of the water inlet pipe connector is communicated with a water inlet of the water tank through a third hose, an electronic water pump is arranged on the first hose, an adjusting valve is arranged on the third hose, a flowmeter and a water inlet pressure sensor are arranged on the water inlet pipe connector, and a water outlet pressure sensor is arranged on the water outlet pipe connector. The invention further discloses a testing method of the engine body water jacket resistance testing device. According to the engine body water ja