Nissan 5.6 Engine Specifications
The Nissan 5.6 engine, known as the VK56DE, is a robust V8 engine that has been utilized in various Nissan and Infiniti vehicles. It is renowned for its power and performance, making it a popular choice for trucks and SUVs. Below are the detailed specifications of the Nissan 5.6 engine.
| Specification | Details |
|---|---|
| Engine Type | V8, 90-degree |
| Displacement | 5.6 liters (5552 cc) |
| Horsepower | 390 hp @ 5,800 rpm |
| Torque | 394 lb-ft @ 4,000 rpm |
| Compression Ratio | 10.5:1 |
| Fuel System | Sequential multi-port fuel injection |
| Fuel Type | Regular unleaded (87 octane) |
| Valvetrain | DOHC, 32 valves |
| Bore x Stroke | 98.5 mm x 92.0 mm |
| Max Engine Speed | 6,200 rpm |
Engine Configuration
The Nissan 5.6 engine features a V8 configuration, which is characterized by its eight cylinders arranged in two banks of four. This design contributes to the engine’s smooth operation and high power output.
Key Features of the Engine Configuration
- 90-degree V8 layout for balanced performance.
- DOHC (Dual Overhead Camshaft) design for improved airflow and efficiency.
- 32 valves for enhanced performance and power delivery.
- Aluminum alloy construction for reduced weight and improved heat dissipation.
Engine Oil Specifications
Proper engine oil is crucial for the longevity and performance of the Nissan 5.6 engine. The following specifications outline the recommended oil types and capacities.
| Specification | Details |
|---|---|
| Oil Capacity (with filter) | 7.5 quarts (7.1 liters) |
| Oil Type | SAE 5W-30 (API SN or later) |
| Oil Change Interval | 5,000 miles (8,000 km) or 6 months, whichever comes first |
Choosing the Right Oil
- Always opt for high-quality synthetic or conventional oil that meets the specified API ratings.
- Consider the climate when choosing oil viscosity; for colder climates, a lower viscosity oil may be preferable.
- Regularly check oil levels and condition to ensure optimal performance.
Service Intervals
Regular maintenance is essential to keep the Nissan 5.6 engine running smoothly. Below are the recommended service intervals for various maintenance tasks.
| Service Task | Interval |
|---|---|
| Oil Change | 5,000 miles (8,000 km) or 6 months |
| Air Filter Replacement | 15,000 miles (24,000 km) |
| Fuel Filter Replacement | 30,000 miles (48,000 km) |
| Spark Plug Replacement | 105,000 miles (169,000 km) |
| Coolant Flush | 60,000 miles (96,000 km) |
| Transmission Fluid Change | 30,000 miles (48,000 km) |
Importance of Regular Maintenance
- Prevents costly repairs by addressing potential issues early.
- Maintains optimal engine performance and fuel efficiency.
- Extends the lifespan of the engine and associated components.
Conclusion
The Nissan 5.6 engine is a powerful and reliable choice for various Nissan and Infiniti models. Understanding its specifications, engine configuration, oil requirements, and service intervals is essential for maintaining its performance and longevity. Regular maintenance and proper care will ensure that this robust engine continues to deliver the power and reliability that drivers expect.
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