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The 13B-REW engine, known for its unique rotary design, has gained a strong following among automotive enthusiasts. With its stock output of 276 horsepower, many owners seek to unlock even greater power through aftermarket modifications. In this article, we will explore how to achieve over 400 horsepower from the 13B-REW engine using various aftermarket parts.
Understanding the 13B-REW Engine
The 13B-REW is a two-rotor rotary engine produced by Mazda, primarily found in the RX-7 models. Its lightweight design and high-revving nature make it an appealing choice for performance enthusiasts. However, to maximize its potential, several modifications can be made.
Key Aftermarket Modifications
To achieve significant power gains, consider the following aftermarket modifications:
- Upgraded Turbocharger
- High-Performance Intercooler
- Aftermarket Exhaust System
- ECU Tune
- Fuel System Upgrades
- High-Flow Intake
Upgraded Turbocharger
Replacing the stock turbocharger with a larger, more efficient unit is one of the most effective ways to increase horsepower. A turbocharger capable of higher boost levels can significantly enhance the engine’s power output.
High-Performance Intercooler
To support the increased boost from the upgraded turbo, a high-performance intercooler is essential. This component cools the intake air, allowing for denser air charge and improved combustion efficiency.
Aftermarket Exhaust System
An aftermarket exhaust system reduces back pressure and improves exhaust flow, which can lead to better performance. Look for a system that enhances sound while providing optimal flow characteristics.
ECU Tune
Tuning the engine’s ECU is crucial after making modifications. A proper tune adjusts fuel maps and ignition timing to maximize performance and ensure reliability, allowing the engine to take full advantage of the new parts.
Fuel System Upgrades
To support increased horsepower, upgrading the fuel system is necessary. This may include larger fuel injectors and a high-flow fuel pump to ensure the engine receives adequate fuel at higher power levels.
High-Flow Intake
A high-flow intake system allows for improved airflow into the engine, which can enhance throttle response and overall performance. Look for systems designed specifically for the 13B-REW engine to maximize gains.
Expected Power Gains
With the right combination of aftermarket parts, it’s possible to achieve over 400 horsepower from the 13B-REW engine. Each modification contributes to improved performance, but the exact gains will depend on the specific components used and the quality of the tuning process.
Conclusion
The journey from 276 horsepower to 400+ horsepower in the 13B-REW engine is an exciting challenge for any automotive enthusiast. By carefully selecting and installing aftermarket parts, along with a proper tuning process, the potential for increased performance is substantial. Always remember to consider reliability and drivability when making modifications to ensure a well-balanced and enjoyable driving experience.