Knowledge

An engine is composed of two main parts: the cylinder block and the cylinder head, which are connected to each other with bolts. Different engines use different materials for these

The compression ratio is the ratio between the maximum volume of the cylinder at its bottom dead center and the minimum volume at its top dead center.

Currently, gasoline in the market is labeled with grades such as 90, 93, 95, 97, etc. These numbers represent the octane rating of gasoline, which indicates its resistance to knock

An engine model is a code assigned by the engine manufacturer based on relevant regulations, company and engine attributes, to represent a batch of identical products. It is used t

HEMI stands for Hemispherical combustion chambers, referring to the semi-spherical shape of the combustion chamber. This engine design effectively improves intake efficiency. In th

Pedestrian airbags, similar to traditional airbags, are designed to protect pedestrians outside of the vehicle and provide a safeguard for their lives.

Chassis armor refers to a layer of 2-4mm thick elastic sealing material sprayed underneath the car chassis. It can be sprayed on exposed areas such as the vehicle chassis, fuel tan

A thermostat is a valve that controls the flow path of the coolant. It is an automatic regulating device that typically contains a temperature-sensitive component. By controlling t

The Moose Test is an important international standard for assessing vehicle safety, specifically evaluating a vehicle's ability to avoid obstacles.

In 2002, BMW upgraded the third-generation E46 M3's S50B30 engine and named it the S54B32.

At the 2012 Geneva International Motor Show, the Volkswagen Group officially introduced the all-new EA211 engine. This engine series is the first to incorporate cylinder deactivati

The EA888 engine series, born in 2006, includes two displacements: 1.8T and 2.0T. The 1.8TSI engine delivers a maximum power of 118 kW (160 hp) and a maximum torque of 250 Nm, whil