Subaru EA82 Engine Specifications
The Subaru EA82 engine is a notable powerplant that has been part of Subaru’s lineup since the early 1980s. It is recognized for its unique design and performance characteristics, making it a popular choice among enthusiasts and everyday drivers alike. Below are the detailed specifications of the EA82 engine.
| Specification | Details |
|---|---|
| Engine Type | Flat-4 (Boxer) |
| Displacement | 1.8 L (1781 cc) |
| Configuration | Horizontally Opposed |
| Fuel System | Carbureted / Fuel Injected |
| Power Output | 75-95 hp (varies by model) |
| Torque | 100-110 lb-ft |
| Compression Ratio | 8.7:1 |
| Fuel Type | Regular Unleaded |
| Cooling System | Water-cooled |
| Valvetrain | SOHC (Single Overhead Cam) |
| Number of Cylinders | 4 |
Engine Configuration
The Subaru EA82 engine features a horizontally opposed configuration, commonly referred to as a “boxer” engine. This design provides several advantages, including a lower center of gravity, which enhances vehicle stability and handling. The engine’s layout also contributes to reduced vibration and a smoother operation compared to conventional inline engines.
Key Features of the EA82 Engine Configuration
- Compact design allows for efficient use of space in the engine bay.
- Lower center of gravity improves vehicle dynamics.
- Unique sound profile that distinguishes it from other engine types.
- Balance of power and efficiency, suitable for various driving conditions.
Engine Oil Specifications
Maintaining the proper engine oil is crucial for the longevity and performance of the Subaru EA82 engine. The specifications for engine oil include viscosity ratings and types that are compatible with this engine.
Recommended Engine Oil Types
- SAE 10W-30
- SAE 10W-40
- SAE 20W-50 (for high-temperature conditions)
Oil Capacity
- With filter: Approximately 4.5 quarts (4.3 liters)
- Without filter: Approximately 4.0 quarts (3.8 liters)
Service Intervals
Regular maintenance is essential for keeping the EA82 engine running smoothly. Below are the recommended service intervals for oil changes and other essential maintenance tasks.
Oil Change Intervals
- Every 3,000 to 5,000 miles (4,800 to 8,000 km) or every 6 months, whichever comes first.
Other Maintenance Tasks
- Replace oil filter: Every oil change.
- Inspect air filter: Every 15,000 miles (24,000 km).
- Check coolant level: Every 30,000 miles (48,000 km).
- Inspect spark plugs: Every 30,000 miles (48,000 km).
- Timing belt replacement: Every 60,000 miles (96,000 km).
Conclusion
The Subaru EA82 engine is a well-engineered powerplant that has stood the test of time. Its unique configuration, combined with reliable performance and manageable maintenance requirements, makes it a favorite among Subaru enthusiasts. Understanding the specifications, oil requirements, and service intervals is essential for anyone looking to maintain or restore a vehicle equipped with this engine. Proper care and attention will ensure that the EA82 continues to deliver a dependable driving experience for years to come.
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