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The Subaru WRX has long been a favorite among car enthusiasts, known for its performance and tuning potential. One of the most popular modifications for WRX owners is converting to E85 fuel, which can lead to significant power gains. However, with various E85 conversion kits available, it’s crucial to compare their power output and cost efficiency. This article explores the leading E85 conversion kits for the WRX, helping you make an informed decision.
Understanding E85 Fuel
E85 is a fuel blend consisting of 85% ethanol and 15% gasoline. It offers several benefits over traditional gasoline, including:
- Higher octane rating, which allows for more aggressive tuning.
- Potential for increased horsepower and torque.
- Lower cost per gallon in some regions.
Key Features to Consider in E85 Conversion Kits
When selecting an E85 conversion kit for your WRX, consider the following factors:
- Fuel System Upgrades: Upgraded fuel pumps and injectors are essential to handle the increased flow of E85.
- Tuning Options: Ensure the kit includes a reliable tuning solution for optimal performance.
- Compatibility: Verify that the kit is compatible with your specific WRX model and year.
- Cost: Compare the total cost of the kit, including installation if needed.
- Power Gains: Look for documented power gains from reputable sources.
Top E85 Conversion Kits for WRX
Here are some of the most popular E85 conversion kits available for the Subaru WRX:
- Fuel Injector Clinic (FIC) E85 Conversion Kit: This kit includes high-flow fuel injectors and a tuning solution. Users report significant power increases and improved throttle response.
- DeatschWerks E85 Conversion Kit: Known for its high-quality components, this kit offers upgraded fuel pumps and injectors. It is praised for its reliability and performance gains.
- Grimmspeed E85 Conversion Kit: This kit features a complete fuel system upgrade with a focus on easy installation and compatibility. Many users appreciate its balance of cost and performance.
- MAPerformance E85 Conversion Kit: This comprehensive kit includes everything needed for a successful conversion. It is designed for maximum power output and is favored by serious tuners.
Comparative Analysis of E85 Conversion Kits
To help you choose the best E85 conversion kit for your WRX, we’ve compiled a comparison of the top kits based on power output, cost, and user feedback.
- Fuel Injector Clinic: Power Gain: 50-100 HP, Cost: $600, User Feedback: Excellent tuning support.
- DeatschWerks: Power Gain: 60-120 HP, Cost: $700, User Feedback: Highly reliable and consistent performance.
- Grimmspeed: Power Gain: 40-80 HP, Cost: $500, User Feedback: Great value for the price.
- MAPerformance: Power Gain: 70-150 HP, Cost: $800, User Feedback: Top-tier performance but at a premium price.
Cost Efficiency of E85 Conversion Kits
Cost efficiency is a critical factor when choosing an E85 conversion kit. Here’s how each kit stacks up in terms of cost per horsepower gained:
- Fuel Injector Clinic: $12 per HP gained.
- DeatschWerks: $11.67 per HP gained.
- Grimmspeed: $6.25 per HP gained.
- MAPerformance: $11.43 per HP gained.
Conclusion
Choosing the right E85 conversion kit for your WRX involves balancing power gains, cost, and reliability. Based on our analysis:
- If you’re looking for the best power-to-cost ratio, the Grimmspeed E85 Conversion Kit stands out.
- For maximum power gains, the MAPerformance E85 Conversion Kit is worth the investment.
- The DeatschWerks E85 Conversion Kit offers a great balance of performance and reliability.
- For those on a budget, the Fuel Injector Clinic E85 Conversion Kit provides solid performance without breaking the bank.
Ultimately, the best choice depends on your specific performance goals and budget. Whichever kit you choose, ensure you follow proper tuning procedures to maximize your WRX’s potential on E85 fuel.