Nissan SR20DET Engine Specifications
The Nissan SR20DET is a well-known turbocharged inline-four engine that has gained a reputation for its performance and tuning potential. It has been widely used in various Nissan models, particularly in the 240SX and Silvia series. Below are the detailed specifications of the SR20DET engine.
| Specification | Details |
|---|---|
| Engine Type | Inline-4, Turbocharged |
| Displacement | 2.0 liters (SR20) |
| Compression Ratio | 8.5:1 |
| Power Output | 205 hp (153 kW) at 6,000 rpm |
| Torque | 203 lb-ft (275 Nm) at 4,000 rpm |
| Turbocharger | T28 Turbo |
| Fuel System | Multi-Point Fuel Injection |
| Ignition System | Distributor-based |
| Valvetrain | DOHC, 16 valves |
| Weight | Approximately 300 lbs (136 kg) |
Engine Configuration
The SR20DET engine features a robust design that contributes to its performance and reliability. Below are the key aspects of its configuration:
Engine Layout
– Inline-four configuration, which allows for a compact design.
– The DOHC (Dual Overhead Camshaft) setup enhances airflow and improves performance.
Turbocharging
– Equipped with a T28 turbocharger, providing significant power gains.
– The turbocharger is water-cooled, which helps maintain optimal operating temperatures.
Fuel Delivery
– Multi-point fuel injection system ensures precise fuel delivery for better efficiency and performance.
– The engine is designed to run on premium gasoline for optimal performance.
Cooling System
– The engine features a liquid cooling system, which helps maintain consistent temperatures during operation.
– An oil cooler is often included to prevent overheating during high-performance driving.
Engine Oil Specifications & Service Intervals
Proper maintenance of the SR20DET engine is crucial for longevity and performance. This section outlines the recommended engine oil specifications and service intervals.
Engine Oil Specifications
– Oil Type : Synthetic or semi-synthetic oil is recommended for optimal performance.
– Viscosity : 10W-30 or 10W-40 is commonly used, depending on the climate and driving conditions.
– Oil Capacity : Approximately 4.5 quarts (4.3 liters) with a filter change.
Service Intervals
- Oil Change: Every 3,000 to 5,000 miles (4,800 to 8,000 km) or every 6 months, whichever comes first.
- Oil Filter Replacement: Every oil change.
- Coolant Flush: Every 30,000 miles (48,000 km) or every 2 years.
- Timing Belt Replacement: Every 60,000 miles (96,000 km) or as per manufacturer recommendations.
- Turbo Oil Feed Line Inspection: Every 15,000 miles (24,000 km) for leaks or wear.
Conclusion
The Nissan SR20DET engine stands out for its performance capabilities and tuning potential. Understanding its specifications, configuration, and maintenance needs is essential for enthusiasts and owners alike. Regular maintenance, including timely oil changes and inspections, will ensure that this engine continues to perform at its best for years to come. Whether used in a daily driver or a dedicated performance vehicle, the SR20DET remains a popular choice among car enthusiasts.
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