Table of Contents
The Subaru WRX has long been a favorite among car enthusiasts, especially those looking to boost performance. With the growing popularity of E85 fuel, many WRX owners are considering upgrades to their intercooler and turbo systems to maximize power output. This article explores the best intercooler and turbo upgrades for WRX E85 conversions, aiming for an impressive 450+ horsepower.
Understanding E85 Fuel
E85 is a high-octane fuel blend consisting of 85% ethanol and 15% gasoline. It offers several advantages for performance vehicles, including:
- Higher Octane Rating: E85 typically has an octane rating of around 105, allowing for more aggressive tuning.
- Cooler Combustion: Ethanol burns cooler than gasoline, which can help reduce engine knock.
- Increased Power Potential: With the right modifications, E85 can significantly increase horsepower and torque.
Key Upgrades for E85 Conversion
To fully benefit from E85 fuel, WRX owners should consider several key upgrades, particularly focusing on the intercooler and turbocharger systems.
Intercooler Upgrades
An efficient intercooler is essential for maximizing power and maintaining engine health. Here are some top intercooler upgrades for the WRX:
- Process West Verticooler: This top-mount intercooler is designed for optimal airflow and cooling efficiency, making it a popular choice for E85 setups.
- GrimmSpeed Front Mount Intercooler: A front mount option that provides significant cooling capacity and reduces intake temperatures for improved performance.
- COBB Tuning Front Mount Intercooler: Known for its durability and performance, this intercooler is perfect for high-horsepower applications.
Turbocharger Upgrades
The turbocharger is the heart of the WRX’s performance. Upgrading to a larger or more efficient turbo can yield significant horsepower gains. Consider these options:
- Garrett GT2871R: A popular choice for those aiming for over 450 hp, this turbo offers excellent spool time and power delivery.
- Blouch 20G XT: Known for its reliability and power potential, this turbo can easily support E85 conversions.
- FP Green Turbo: This turbo provides a great balance of spool time and peak power, making it a favorite among WRX enthusiasts.
Supporting Modifications
In addition to intercooler and turbo upgrades, other modifications are necessary to support increased power levels when using E85:
- Fuel System Upgrades: Upgrading fuel injectors and the fuel pump is crucial to ensure adequate fuel delivery.
- ECU Tuning: A proper tune is essential for maximizing performance and ensuring the engine runs smoothly on E85.
- Exhaust System: A high-flow exhaust system can help improve turbo spool and overall performance.
Conclusion
Upgrading your WRX for E85 conversion can lead to impressive power gains, especially when focusing on intercooler and turbo upgrades. By choosing the right components and ensuring supporting modifications are in place, achieving 450+ horsepower is within reach. Always remember to consult with professionals and conduct thorough research before making any modifications to your vehicle.