Nissan Twin Cam 16 Valve Engine Specifications
The Nissan Twin Cam 16 Valve engine, commonly referred to as the SR20DE, is a well-regarded powerplant known for its performance and reliability. This engine has been utilized in various Nissan models, making it a popular choice among enthusiasts and tuners alike. Below are the detailed specifications of the Nissan Twin Cam 16 Valve engine.
| Specification | Details |
|---|---|
| Engine Type | Inline-4, DOHC |
| Displacement | 1998 cc (2.0 L) |
| Bore x Stroke | 86 mm x 86 mm |
| Compression Ratio | 9.5:1 |
| Maximum Power | 140 hp (104 kW) at 6,000 rpm |
| Maximum Torque | 133 lb-ft (180 Nm) at 4,800 rpm |
| Fuel System | Multi-Point Fuel Injection |
| Ignition System | Distributor-less Ignition System (DIS) |
| Valvetrain | 16 Valves (4 valves per cylinder) |
| Engine Weight | Approximately 130 kg (287 lbs) |
Engine Configuration
The Nissan Twin Cam 16 Valve engine features a robust inline-4 configuration, which is known for its balance of performance and efficiency. Here are some key aspects of its engine configuration:
Key Features
- DOHC (Dual Overhead Camshaft) design enhances airflow and performance.
- 16 valves allow for improved engine breathing, contributing to higher power output.
- Multi-point fuel injection system ensures optimal fuel delivery and efficiency.
- Engine block and cylinder head are made from aluminum, reducing weight and improving thermal efficiency.
Applications
The SR20DE engine has been used in various Nissan models, including:
- Nissan 240SX
- Nissan Sentra SE-R
- Nissan Silvia
- Nissan Altima
Engine Oil Specifications
Proper engine oil is crucial for the longevity and performance of the Nissan Twin Cam 16 Valve engine. Here are the recommended oil specifications:
Oil Type
- Recommended Oil: Synthetic or Conventional Oil
- Viscosity Rating: 5W-30 or 10W-30
Oil Capacity
| Engine Type | Oil Capacity (with filter) |
|---|---|
| SR20DE | 4.5 liters (4.8 quarts) |
Service Intervals
Regular maintenance is essential to keep the Nissan Twin Cam 16 Valve engine running smoothly. Below are the recommended service intervals for oil changes and other maintenance tasks.
Oil Change Intervals
- Every 5,000 to 7,500 miles (8,000 to 12,000 km) for conventional oil.
- Every 7,500 to 10,000 miles (12,000 to 16,000 km) for synthetic oil.
Other Maintenance Tasks
- Replace oil filter with every oil change.
- Inspect and replace air filter every 15,000 miles (24,000 km).
- Check spark plugs and replace every 30,000 miles (48,000 km).
- Inspect timing belt/chain as per manufacturer recommendations (typically around 60,000 miles or 96,000 km).
Conclusion
The Nissan Twin Cam 16 Valve engine, particularly the SR20DE variant, is a versatile and reliable engine that has earned a solid reputation among car enthusiasts. With its impressive specifications, efficient engine configuration, and straightforward maintenance requirements, it remains a popular choice for both daily drivers and performance builds. Regular maintenance and the use of the correct engine oil will ensure that this engine continues to perform at its best for years to come.
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