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The 13B rotary engine, known for its lightweight design and high power output, has become a favorite among car enthusiasts and tuners. One of the most effective ways to enhance the performance of this engine is by upgrading the turbocharger. In this article, we will explore the best single turbo brands for the 13B engine, focusing on the Holset HX35 and the BorgWarner EFR series.
Understanding the 13B Rotary Engine
The 13B engine, developed by Mazda, is a two-rotor engine that provides a unique driving experience. Its compact design allows for a lightweight build, making it an ideal candidate for performance upgrades. The engine is known for its high-revving capabilities and responsiveness, which can be further enhanced with the right turbocharger.
Why Upgrade to a Single Turbo?
Upgrading to a single turbo can offer numerous benefits for 13B owners:
- Increased horsepower and torque
- Improved throttle response
- Better boost control
- Enhanced tuning capabilities
Holset HX35 Turbo Overview
The Holset HX35 is a popular choice among 13B enthusiasts for several reasons:
- Durability: The HX35 is built to withstand high pressures and temperatures, making it a reliable option for performance applications.
- Boost Range: It offers a wide boost range, allowing for flexibility in tuning and performance enhancements.
- Cost-Effective: Compared to other performance turbos, the HX35 is often more affordable while still delivering excellent performance.
Specifications of Holset HX35
The specifications of the Holset HX35 make it an ideal match for the 13B engine:
- Compressor Wheel Diameter: 60mm
- Turbine Wheel Diameter: 76mm
- Max Boost Pressure: 30 PSI
BorgWarner EFR Series Overview
The BorgWarner EFR series is another excellent choice for the 13B. Known for their advanced technology, these turbos offer unique features:
- Integrated Wastegate: The EFR series features an integrated wastegate, simplifying installation and improving boost control.
- Lightweight Design: These turbos are designed to be lightweight, which can enhance the overall performance of the vehicle.
- High Efficiency: The EFR turbos are known for their high efficiency, providing better performance at lower boost levels.
Specifications of BorgWarner EFR Series
Some notable specifications of the BorgWarner EFR series include:
- Compressor Wheel Diameter: Varies by model (typically 62-76mm)
- Turbine Wheel Diameter: Varies by model (typically 68-80mm)
- Max Boost Pressure: Up to 40 PSI depending on model
Comparing Holset HX35 and BorgWarner EFR Series
When deciding between the Holset HX35 and the BorgWarner EFR series, consider the following:
- Performance: The EFR series offers higher efficiency, while the HX35 is known for its durability.
- Installation: The integrated wastegate of the EFR series can make installation easier.
- Cost: The HX35 is generally more affordable, making it a great choice for budget builds.
Conclusion
Both the Holset HX35 and BorgWarner EFR series are excellent choices for upgrading the 13B rotary engine. The decision ultimately comes down to your specific performance goals, budget, and preferences. Whether you prioritize durability, efficiency, or cost, there is a turbo option available to enhance your 13B experience.