SUBARU EJ SERIES

The use of the Subaru boxer engine represents a unique and identifying characteristic of the vehicles produced by the Japanese car manufacturer, becoming an integral part of their brand identity. Called "boxer," this term describes the reverse position of the cylinders in the engine, which extend horizontally from both sides instead of standing upright as they do in traditional engines.

Here are some main features of the Subaru boxer engine:

1. Opposite Cylinder Configuration: In Subaru's boxer drive units, the cylinders are positioned horizontally and move in opposite directions to each other. With its ability to create natural balance and reduce vibration, it helps achieve smoother operation.

2. Low Center of Gravity: The horizontal arrangement of the cylinders helps to reduce the center of gravity compared to engines in which the cylinders are arranged vertically. Advantageous for the stability and agility of the vehicle, especially when cornering.

3. Less Rotational Inertia: Because the pistons move in opposite directions, there is a reduction in rotational inertia compared to vertical piston engines; this translates into greater promptness in execution and the possibility of reaching higher rotation speeds.

4. Distinctive Sound: The sound of Subaru boxer engines is known to be distinctive, often referred to as a "roar". The characteristic sound of this brand is much loved by enthusiasts and has helped define a recognizable sonic identity for Subaru cars.

5. Symmetrical All-Wheel Drive (AWD) Transmission: A large number of Subaru vehicles are equipped with a symmetrical all-wheel drive system (Symmetrical AWD) that uses the horizontal distribution of the cylinders. Thanks to this system, power is distributed equally to all four wheels, ensuring superior traction in different driving situations.

6. Durability and Robustness: It is well known that Subaru's boxer engine is extremely robust and durable. Using a horizontal cylinder arrangement has the advantage of decreasing stress on the internal components, making the system more reliable.

Among the various Subaru models in which the boxer engine is present there are Impreza, Forester, Outback and WRX. A key aspect in the design of Subaru vehicles has been this configuration, which has significantly influenced the distinctive driving experience offered by the brand.

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