Maximize Your Mazda Rx-7: 13b-rew Turbocharger Upgrades for 350+ Hp

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The Mazda RX-7, particularly the 13B-REW engine, is a beloved platform for performance enthusiasts. With its lightweight design and rotary engine, it offers a unique driving experience. If you’re looking to push your RX-7 beyond the stock limits and achieve over 350 horsepower, turbocharger upgrades are essential. Here, we explore some of the best upgrades available for the 13B-REW that can help you reach your performance goals.

Understanding the 13B-REW Engine

The 13B-REW engine, part of Mazda’s renowned Wankel rotary family, is known for its compact size and high power-to-weight ratio. Understanding its characteristics is vital for making informed upgrades. The rotary design allows for high RPMs, but to maximize horsepower, a well-matched turbocharger is crucial.

Key Turbocharger Upgrades

To achieve over 350 horsepower, consider the following turbocharger upgrades for your Mazda RX-7:

  • Garrett GT28RS Turbocharger: A popular choice among RX-7 enthusiasts, this turbo offers quick spool times and excellent power delivery.
  • Precision 6262 Turbocharger: Known for its efficiency, the 6262 can support significant horsepower while maintaining reliability.
  • HKS GT-RS Turbo: This turbo is designed for high performance and can easily help you exceed the 350 hp mark.
  • Turbonetics T3/T4 Turbo: A versatile option that provides a good balance of power and response.

Supporting Modifications

Upgrading the turbocharger alone is not enough to achieve your horsepower goals. Supporting modifications are essential to ensure your engine can handle the increased power.

  • Upgraded Fuel Injectors: Consider larger injectors to provide the necessary fuel for higher horsepower levels.
  • High-Flow Fuel Pump: A high-capacity fuel pump ensures adequate fuel delivery under boost.
  • Intercooler Upgrade: An upgraded intercooler helps reduce intake temperatures, improving performance and reliability.
  • Exhaust System: A free-flowing exhaust system reduces back pressure and enhances turbo performance.
  • ECU Tuning: A proper tune is crucial to optimize performance and ensure your engine runs smoothly with the new upgrades.

Installation Tips

Installing a turbocharger and supporting modifications requires precision and care. Here are some tips to ensure a successful installation:

  • Follow Manufacturer Instructions: Always refer to the specific instructions provided by the turbocharger manufacturer.
  • Use Quality Parts: Invest in high-quality gaskets, hoses, and clamps to avoid leaks and failures.
  • Check Clearances: Ensure that all components have adequate clearance to prevent rubbing or damage.
  • Consider Professional Help: If you’re not confident in your skills, consider hiring a professional mechanic with experience in rotary engines.

Performance Tuning

After installation, tuning your RX-7 is critical. A proper tune will maximize your engine’s potential and ensure reliability. Consider the following:

  • Dyno Tuning: Utilize a dynamometer to measure power output and fine-tune your setup.
  • Air-Fuel Ratio Monitoring: Keep an eye on your air-fuel ratios to prevent lean conditions that could damage your engine.
  • Boost Control: Implement a boost controller to manage boost levels effectively.
  • Regular Maintenance: Regularly check and maintain your engine to ensure long-lasting performance.

Conclusion

Maximizing your Mazda RX-7 with 13B-REW turbocharger upgrades can lead to exhilarating performance and driving experiences. By choosing the right turbocharger, supporting modifications, and ensuring proper installation and tuning, you can achieve over 350 horsepower while maintaining reliability. Embrace the journey of upgrading your RX-7 and enjoy the thrill of rotary performance!