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The SR20DET engine has long been a favorite among car enthusiasts and tuners due to its robust design and potential for significant power gains. When it comes to upgrading the turbocharger, the choice between the Garrett GT2871R and GTX2867R can be pivotal for achieving ultimate performance. This article explores the features, benefits, and comparisons of these two popular turbo options.
Overview of the SR20DET Engine
The SR20DET is a turbocharged inline-four engine that originated from Nissan. Known for its durability and tuning potential, it has become a staple in the performance automotive community. With a solid foundation, enthusiasts often seek to enhance its capabilities through turbo upgrades.
Garrett GT2871R Turbo
The Garrett GT2871R is a popular choice for those looking to increase horsepower significantly without sacrificing too much spool time. This turbo is known for its balance of power and responsiveness.
Specifications
- Compressor Wheel: 71mm
- Turbine Wheel: 60mm
- Compressor A/R: 0.64 or 0.86
- Turbine A/R: 0.64
Performance Characteristics
The GT2871R is capable of producing power levels ranging from 300 to 450 horsepower, depending on supporting modifications. It provides a good balance of low-end torque and high-end power, making it suitable for both street and track applications.
Advantages
- Excellent spool characteristics
- High power potential
- Widely available and supported
Garrett GTX2867R Turbo
The Garrett GTX2867R is an evolution of the GT series, featuring advanced technology that enhances performance and efficiency. This turbo is designed for those who want to push the limits of their SR20DET.
Specifications
- Compressor Wheel: 67mm
- Turbine Wheel: 60mm
- Compressor A/R: 0.64 or 0.86
- Turbine A/R: 0.64
Performance Characteristics
The GTX2867R can produce power levels up to 500 horsepower with the right supporting modifications. It offers quicker spool times and improved efficiency compared to the GT2871R, making it an attractive option for racers and enthusiasts.
Advantages
- Faster spool time
- Improved efficiency
- Higher power ceiling
Comparative Analysis
When comparing the GT2871R and GTX2867R, several factors come into play that can influence the decision for tuners and enthusiasts.
Spool Time
One of the most significant differences between the two turbos is spool time. The GTX2867R generally spools faster due to its advanced design, making it more responsive in lower RPM ranges.
Power Output
While both turbos can achieve impressive power outputs, the GTX2867R has a slight edge in maximum horsepower potential. The GT2871R, however, offers a very respectable power range that is more than sufficient for most applications.
Cost Considerations
Cost can be a deciding factor for many enthusiasts. The GT2871R is typically less expensive than the GTX2867R, making it a more budget-friendly option for those looking to upgrade their turbo without breaking the bank.
Conclusion
Choosing between the Garrett GT2871R and GTX2867R for the SR20DET ultimately depends on the specific goals and budget of the tuner. Both turbos offer unique advantages and can significantly enhance the performance of the SR20DET engine. For those seeking a balance of cost and performance, the GT2871R is an excellent choice, while the GTX2867R stands out for those who prioritize responsiveness and maximum power output.