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The SR20DET engine is a popular choice among performance enthusiasts, especially in the Nissan community. When it comes to enhancing its capabilities, one of the most effective modifications is the installation of Nismo 270° camshafts. This article explores how these camshafts can optimize the performance of the SR20DET, the expected power gains, and the associated costs.
Understanding the SR20DET Engine
The SR20DET is a turbocharged inline-four engine that has gained a reputation for its robustness and tuning potential. Originally found in models like the Nissan Silvia and 180SX, this engine has become a staple in the drifting and tuning scenes. Its design allows for significant modifications, making it a favorite for those looking to increase horsepower and torque.
What are Nismo 270° Camshafts?
Nismo, Nissan’s performance division, produces high-quality aftermarket parts, including camshafts. The Nismo 270° camshafts are designed to increase the engine’s airflow and improve performance at higher RPMs. This makes them an attractive option for those looking to push their SR20DET to the next level.
Features of Nismo 270° Camshafts
- Increased Lift: The camshafts provide a higher lift than stock, allowing for more air and fuel to enter the combustion chamber.
- Longer Duration: A duration of 270° means that the valves stay open longer, improving the engine’s breathing at high RPMs.
- Compatibility: These camshafts are specifically designed for the SR20DET, ensuring optimal performance without compromising reliability.
Power Gains from Nismo 270° Camshafts
One of the primary reasons for upgrading to Nismo 270° camshafts is the potential power gains. Users have reported significant increases in horsepower and torque, particularly in the mid to high RPM range, where the engine can benefit from the enhanced airflow.
Expected Performance Improvements
- Horsepower Increase: Many users see gains of 20-30 horsepower after installation, depending on supporting modifications.
- Torque Gains: Torque can also see improvements, enhancing the car’s responsiveness and acceleration.
- Improved Throttle Response: The camshafts contribute to a more immediate throttle response, making the car feel more lively and engaging.
Installation Considerations
Installing Nismo 270° camshafts is a significant modification that requires careful consideration. It’s essential to ensure that the rest of the engine and supporting systems can handle the increased performance.
Necessary Supporting Modifications
- Upgraded Fuel System: To accommodate the increased airflow, an upgraded fuel pump and injectors may be necessary.
- ECU Tuning: A proper tune is crucial to maximize the benefits of the camshafts and ensure the engine runs smoothly.
- Exhaust System: A high-flow exhaust system can help expel the increased exhaust gases more efficiently.
Costs Associated with Nismo 270° Camshafts
While the performance gains from Nismo 270° camshafts are enticing, it’s essential to consider the costs involved in both the parts and installation.
Cost Breakdown
- Camshaft Cost: The price of Nismo 270° camshafts typically ranges from $600 to $800.
- Installation Fees: Professional installation can add another $300 to $500, depending on the shop’s rates.
- Supporting Modifications: Additional costs for supporting modifications can vary widely, potentially adding $1,000 or more to the total.
Conclusion
Upgrading to Nismo 270° camshafts can provide significant performance improvements for the SR20DET engine, making it a worthwhile investment for serious enthusiasts. While the costs can add up, the potential power gains and enhanced driving experience make this modification an attractive option for those looking to maximize their vehicle’s performance.