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The Nissan SR20DET engine has long been a favorite among car enthusiasts, especially those looking to boost performance in their vehicles. This article explores the real-world results of a Nismo-prepared SR20DET swap, specifically achieving an impressive 280 wheel horsepower (WHP). We will delve into the modifications, tuning, and overall performance metrics that contribute to this remarkable achievement.
Understanding the SR20DET Engine
The SR20DET is a turbocharged inline-four engine that has gained a reputation for its reliability and tuning potential. Originally found in the Nissan Silvia and 240SX models, this engine has become a staple in the tuning community. Key features of the SR20DET include:
- 2.0-liter displacement
- DOHC design with 16 valves
- Turbocharged for increased power output
Nismo Preparations for the SR20DET
Nismo, Nissan’s performance division, offers a range of upgrades specifically designed to enhance the SR20DET engine. These modifications can significantly increase power output and improve overall performance. Some of the key Nismo components used in this swap include:
- Nismo performance turbocharger
- Upgraded fuel injectors
- High-performance intercooler
- Stainless steel exhaust manifold
Achieving 280 WHP: The Build Process
The journey to achieving 280 WHP from an SR20DET swap involves several critical steps, each contributing to the overall power output and performance of the vehicle. Below are the essential phases of the build process:
1. Engine Selection and Preparation
The first step is selecting a suitable SR20DET engine. Once the engine is acquired, it undergoes a thorough inspection and preparation, including:
- Cleaning and machining of engine components
- Replacing worn-out parts with Nismo upgrades
- Installing performance bearings and gaskets
2. Turbocharger and Intercooler Installation
Next, the Nismo performance turbocharger is installed, along with a high-performance intercooler. This combination is crucial for maximizing airflow and reducing intake temperatures, which enhances performance. Key steps include:
- Mounting the turbocharger securely
- Connecting intercooler piping
- Ensuring proper alignment and fitment
3. Fuel System Upgrades
To support the increased power output, the fuel system must be upgraded. This includes the installation of larger fuel injectors and a high-flow fuel pump. Important considerations are:
- Choosing the right injector size for the desired power level
- Ensuring proper fuel pressure regulation
- Testing for leaks after installation
4. Tuning the Engine
Once all modifications are complete, the engine requires precise tuning to achieve optimal performance. This process typically involves:
- Using a dynamometer to measure power output
- Adjusting fuel maps and ignition timing
- Testing for reliability and drivability
Performance Metrics and Results
After completing the build process and tuning the engine, the results are impressive. The Nismo-prepared SR20DET achieves a remarkable 280 WHP, showcasing the effectiveness of the modifications. Performance metrics include:
- Peak torque: 300 lb-ft
- Boost pressure: 18 PSI
- 0-60 mph time: 5.2 seconds
Conclusion
The Nismo-prepared SR20DET swap demonstrates the potential of this engine platform when combined with quality components and expert tuning. Achieving 280 WHP is a testament to the effectiveness of the modifications and the dedication of those involved in the build process. For enthusiasts looking to enhance the performance of their vehicles, the SR20DET remains a top choice.