Nissan VQ35 Engine Specifications
The Nissan VQ35 engine is a notable member of the VQ family of engines, known for its performance, reliability, and efficiency. This 3.5-liter V6 engine has been widely used in various Nissan and Infiniti models since its introduction in the late 1990s. Below are the detailed specifications of the VQ35 engine.
| Specification | Details |
|---|---|
| Engine Type | V6, DOHC |
| Displacement | 3.5 liters (3498 cc) |
| Bore x Stroke | 95.5 mm x 81.4 mm |
| Compression Ratio | 10.5:1 |
| Power Output | 280 hp @ 6,200 rpm |
| Torque | 270 lb-ft @ 4,800 rpm |
| Fuel System | Multi-Point Fuel Injection |
| Fuel Type | Regular Unleaded |
| Ignition System | Distributor-less Ignition System (DIS) |
| Engine Weight | Approximately 350 lbs (159 kg) |
Engine Configuration
The VQ35 engine features a V6 configuration with a DOHC (Dual Overhead Camshaft) design. This configuration allows for smoother operation and better performance characteristics. The engine is known for its balance of power and efficiency, making it suitable for a variety of applications, from sedans to sports cars.
Key Features of the Engine Configuration
- V6 Layout: The V configuration allows for a compact design while maintaining a smooth power delivery.
- DOHC Design: Dual overhead camshafts provide better airflow and higher RPM capabilities.
- Aluminum Block and Heads: Lightweight construction contributes to improved fuel efficiency and performance.
- Variable Valve Timing: The engine is equipped with Nissan’s VVT (Variable Valve Timing) technology, enhancing performance across a range of RPMs.
Engine Oil Specifications
Proper maintenance of the VQ35 engine includes using the correct engine oil. The specifications for engine oil are crucial for ensuring optimal performance and longevity.
| Specification | Details |
|---|---|
| Oil Type | SAE 5W-30 |
| Oil Capacity (with filter) | 5.1 quarts (4.8 liters) |
| Oil Change Interval | 5,000 miles (8,000 km) or 6 months, whichever comes first |
| Oil Filter | Nissan OEM or equivalent |
Choosing the Right Engine Oil
When selecting engine oil for the VQ35, consider the following:
- Use high-quality synthetic or conventional oil that meets the SAE 5W-30 specification.
- Ensure the oil meets API (American Petroleum Institute) standards.
- Regularly check oil levels and top off as necessary to maintain optimal performance.
Service Intervals
Regular maintenance is essential for the longevity and performance of the VQ35 engine. Adhering to the recommended service intervals can help prevent issues and ensure the engine operates efficiently.
Recommended Service Intervals
- Oil Change: Every 5,000 miles (8,000 km) or 6 months.
- Air Filter Replacement: Every 15,000 miles (24,000 km) or as needed.
- Fuel Filter Replacement: Every 30,000 miles (48,000 km).
- Coolant Flush: Every 60,000 miles (96,000 km).
- Spark Plug Replacement: Every 105,000 miles (168,000 km).
Additional Maintenance Tips
To maintain the VQ35 engine effectively, consider the following tips:
- Monitor engine performance and listen for unusual sounds.
- Check for oil leaks and other fluid levels regularly.
- Use genuine Nissan parts for replacements to ensure compatibility and performance.
- Keep the engine clean and free from debris.
Conclusion
The Nissan VQ35 engine is a well-engineered powerplant that offers a blend of performance and reliability. Understanding its specifications, proper engine oil requirements, and maintenance intervals is essential for any owner or enthusiast. By adhering to these guidelines, you can ensure that your VQ35 engine remains in optimal condition for years to come.
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