Nissan RB20 Engine Specifications
The Nissan RB20 engine is a well-regarded inline-six engine that has gained a reputation for its performance and reliability. This engine was part of Nissan’s RB family, which includes several other notable engines. The RB20 was primarily used in various Nissan models during the 1980s and early 1990s.
Engine Overview
The RB20 engine is known for its robust design and performance capabilities. Below is a detailed specification chart outlining the key features of the RB20 engine.
| Specification | Details |
|---|---|
| Engine Type | Inline-six |
| Displacement | 2.0 liters (1998 cc) |
| Bore x Stroke | 78 mm x 69.7 mm |
| Compression Ratio | 8.5:1 (varies by model) |
| Power Output | 150 hp (112 kW) at 6400 rpm |
| Torque | 174 Nm (128 lb-ft) at 4800 rpm |
| Fuel System | Multi-Point Fuel Injection |
| Ignition System | Distributor ignition |
| Fuel Type | Regular unleaded gasoline |
| Weight | Approximately 160 kg (352 lbs) |
Engine Configuration
The RB20 engine features a classic inline-six configuration, which is known for its smooth operation and balanced performance. This configuration allows for a more even distribution of power and torque across the engine’s RPM range.
Key Features of the RB20 Engine Configuration
– Inline-Six Design : The six-cylinder layout provides a good balance between power and smoothness.
– DOHC (Dual Overhead Camshaft) : The RB20 features a DOHC design, which allows for better airflow and improved performance at higher RPMs.
– Aluminum Cylinder Head : The use of aluminum in the cylinder head helps reduce weight while maintaining strength.
– Cast Iron Block : The engine block is made of cast iron, providing durability and strength for high-performance applications.
Engine Oil Specifications & Service Intervals
Proper maintenance of the RB20 engine includes regular oil changes and using the correct type of engine oil. This ensures optimal performance and longevity of the engine.
Engine Oil Specifications
The following specifications are recommended for the RB20 engine:
| Specification | Details |
|---|---|
| Oil Type | Synthetic or Conventional 10W-30 |
| Oil Capacity | 4.5 liters (4.8 quarts) with filter |
| Oil Filter | Nissan OEM or equivalent |
Service Intervals
Regular service intervals are essential for maintaining the performance of the RB20 engine. Below are the recommended service intervals:
- Oil Change Interval : Every 5,000 to 7,500 kilometers (3,000 to 5,000 miles) or every 6 months, whichever comes first.
- Oil Filter Replacement : Replace with every oil change.
- Coolant Change : Every 2 years or 40,000 kilometers (25,000 miles).
- Spark Plug Replacement : Every 30,000 kilometers (18,000 miles).
- Timing Belt Replacement : Every 100,000 kilometers (62,000 miles).
Conclusion
The Nissan RB20 engine is a versatile and reliable powerplant that has stood the test of time. Its inline-six configuration, combined with its robust specifications, makes it a popular choice among enthusiasts and those looking for a dependable engine. Regular maintenance, including proper oil changes and adherence to service intervals, will ensure that the RB20 continues to perform at its best for years to come.
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