Nissan Silvia S14 Engine Specifications
The Nissan Silvia S14, produced from 1993 to 1998, is renowned for its performance and tuning potential. The engine options available for the S14 include the SR20DE and SR20DET, both of which have garnered a loyal following among car enthusiasts. Below, we delve into the detailed specifications of these engines.
Engine Specifications Chart
| Specification | SR20DE | SR20DET |
|---|---|---|
| Engine Type | Inline-4 | Inline-4 Turbocharged |
| Displacement | 2.0 L (SR20DE) | 2.0 L (SR20DET) |
| Power Output | 140 hp @ 6,000 rpm | 205 hp @ 6,000 rpm |
| Torque | 133 lb-ft @ 4,800 rpm | 227 lb-ft @ 4,800 rpm |
| Compression Ratio | 9.5:1 | 8.5:1 |
| Fuel System | Multi-Point Fuel Injection | Multi-Point Fuel Injection |
| Ignition System | Distributor | Distributor |
| Turbocharger | No | Yes |
| Transmission Options | 5-speed manual / 4-speed automatic | 5-speed manual / 4-speed automatic |
Engine Configuration
The Nissan Silvia S14 is equipped with two primary engine configurations: the naturally aspirated SR20DE and the turbocharged SR20DET.
SR20DE Configuration
The SR20DE is a naturally aspirated engine that provides a balanced performance suitable for daily driving and spirited runs. Key features include:
– Inline-4 Design : This configuration allows for a compact engine layout, contributing to the vehicle’s overall weight distribution.
– Multi-Point Fuel Injection : Enhances fuel efficiency and power delivery.
– Variable Valve Timing (VVT) : Some variants of the SR20DE feature VVT, optimizing performance across different RPM ranges.
SR20DET Configuration
The SR20DET is a turbocharged variant that significantly boosts the performance of the Silvia S14. Notable aspects include:
– Turbocharger : The addition of a turbocharger increases power output and torque, making it a favorite among tuners.
– Lower Compression Ratio : The 8.5:1 compression ratio allows for higher boost levels without risking engine knock.
– Intercooler : Most SR20DET setups include an intercooler to reduce intake temperatures, further enhancing performance.
Engine Oil Specifications
Proper engine maintenance is crucial for the longevity and performance of the Nissan Silvia S14. This includes using the correct engine oil and adhering to service intervals.
Recommended Engine Oil
For both the SR20DE and SR20DET engines, the following oil specifications are recommended:
– Oil Type : Synthetic or Semi-Synthetic
– Viscosity Rating :
– 5W-30 for general conditions
– 10W-40 for high-performance applications or warmer climates
Oil Capacity
– Oil Capacity (with filter) : Approximately 4.5 liters (4.8 quarts)
Service Intervals
Regular maintenance is essential for the performance and reliability of the Nissan Silvia S14. Below are the recommended service intervals for oil changes and other key maintenance tasks.
Oil Change Intervals
– Standard Driving Conditions : Every 5,000 km (3,000 miles) or 6 months, whichever comes first.
– Severe Driving Conditions : Every 3,000 km (1,800 miles) or 3 months, especially if the vehicle is driven in extreme conditions such as high temperatures, heavy traffic, or frequent short trips.
Additional Maintenance Tasks
In addition to regular oil changes, the following maintenance tasks should be performed at specified intervals:
- Air Filter Replacement : Every 15,000 km (9,300 miles)
- Fuel Filter Replacement : Every 30,000 km (18,600 miles)
- Spark Plug Replacement : Every 30,000 km (18,600 miles)
- Coolant Flush : Every 60,000 km (37,300 miles)
- Transmission Fluid Change : Every 30,000 km (18,600 miles)
Conclusion
The Nissan Silvia S14, with its robust engine options and tuning potential, remains a beloved choice among car enthusiasts. Understanding the engine specifications, proper oil types, and service intervals is essential for maintaining its performance and reliability. Whether opting for the naturally aspirated SR20DE or the turbocharged SR20DET, regular maintenance will ensure that the Silvia continues to deliver an engaging driving experience for years to come.
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