Nissan B14 Engine Specifications
The Nissan B14, also known as the Nissan Sentra in various markets, features a range of engine options that contributed to its popularity during the 1990s. Below are the detailed specifications of the engines commonly found in the B14 models.
| Engine Type | Displacement (L) | Cylinders | Power (hp) | Torque (lb-ft) | Fuel System |
|---|---|---|---|---|---|
| GA16DE | 1.6 | 4 | 110 | 108 | Multi-Point Fuel Injection |
| SR20DE | 2.0 | 4 | 140 | 132 | Multi-Point Fuel Injection |
| SR20DET | 2.0 | 4 | 200 | 203 | Turbocharged Multi-Point Fuel Injection |
Engine Configuration
The Nissan B14 engines are designed with various configurations that cater to different performance needs and fuel efficiency. Here’s a breakdown of the engine configurations:
GA16DE Engine
– Configuration : Inline-4
– Valvetrain : DOHC (Dual Overhead Camshaft)
– Fuel Type : Regular unleaded gasoline
– Compression Ratio : 9.5:1
– Bore x Stroke : 81 mm x 77 mm
SR20DE Engine
– Configuration : Inline-4
– Valvetrain : DOHC
– Fuel Type : Regular unleaded gasoline
– Compression Ratio : 9.5:1
– Bore x Stroke : 86 mm x 86 mm
SR20DET Engine
– Configuration : Inline-4
– Valvetrain : DOHC
– Fuel Type : Premium unleaded gasoline
– Compression Ratio : 8.5:1
– Bore x Stroke : 86 mm x 86 mm
Engine Oil Specifications
Proper engine oil is crucial for the longevity and performance of the Nissan B14 engines. The following specifications are recommended for optimal performance:
Oil Type
– GA16DE : 10W-30 or 10W-40
– SR20DE : 10W-30 or 10W-40
– SR20DET : 10W-40 or 15W-50 (for turbocharged applications)
Oil Capacity
– GA16DE : Approximately 3.5 quarts (with filter)
– SR20DE : Approximately 4.5 quarts (with filter)
– SR20DET : Approximately 4.5 quarts (with filter)
Service Intervals
Regular maintenance is essential to keep the Nissan B14 engines running smoothly. Below are the recommended service intervals for oil changes and other essential maintenance tasks.
Oil Change Intervals
– GA16DE : Every 3,000 to 5,000 miles or 6 months, whichever comes first.
– SR20DE : Every 3,000 to 5,000 miles or 6 months, whichever comes first.
– SR20DET : Every 3,000 miles or 3 months, especially if driven under severe conditions.
Other Maintenance Tasks
– Air Filter Replacement : Every 15,000 miles.
– Fuel Filter Replacement : Every 30,000 miles.
– Spark Plug Replacement : Every 30,000 miles.
– Timing Belt Replacement : Every 60,000 miles.
Conclusion
The Nissan B14 engines, with their diverse configurations and specifications, offer a blend of performance and efficiency that appeals to a wide range of drivers. Understanding the engine specs, oil requirements, and service intervals is crucial for maintaining the longevity and performance of these vehicles. Regular maintenance not only enhances performance but also ensures safety and reliability on the road.
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