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The FA20 engine, known for its performance and tuning potential, has garnered a dedicated following among automotive enthusiasts. As modifications become more popular, many owners wonder about the long-term reliability of these upgrades. This article compiles owner reports on power and durability after 20,000 miles of driving with various FA20 modifications.
Understanding the FA20 Engine
The FA20 is a flat-four engine developed by Subaru, primarily used in models such as the Subaru BRZ and Toyota 86. It features a lightweight design and a low center of gravity, contributing to its nimble handling. Understanding its architecture is crucial for evaluating the impact of modifications.
Common Modifications for the FA20 Engine
- Cold Air Intakes
- Exhaust Systems
- Tuning Software
- Turbocharger Kits
- Suspension Upgrades
Owner Reports on Modifications
Cold Air Intakes
Many owners report positive experiences with cold air intakes, noting improved throttle response and a slight increase in horsepower. However, some also mention potential issues with engine heat management.
Exhaust Systems
Upgraded exhaust systems are popular for enhancing sound and performance. Owners commonly report a deeper exhaust note and a small bump in power. Durability varies, with some systems exhibiting rust or leaks after extended use.
Tuning Software
Tuning software allows for optimization of the engine’s performance parameters. Many users express satisfaction with the improved power delivery and fuel efficiency. However, a few have encountered issues with engine management systems requiring recalibration.
Turbocharger Kits
Turbocharging the FA20 engine can lead to significant power gains. Owners report exhilarating performance but also highlight the importance of proper installation and tuning. Some experienced reliability issues, particularly with components like intercoolers and wastegates.
Suspension Upgrades
Suspension modifications improve handling and ride quality. Many owners appreciate the enhanced cornering capabilities. However, some report increased wear on tires and components, necessitating regular maintenance checks.
Long-term Reliability Insights
After 20,000 miles, the reliability of the FA20 modifications varies significantly based on the type of mod and the owner’s driving habits. While many enhancements deliver the expected performance boost, they can also introduce new challenges.
Positive Outcomes
Many owners report that their FA20 engines continue to perform well with modifications, citing:
- Improved acceleration and throttle response
- Enhanced driving experience and enjoyment
- Better handling with suspension upgrades
Challenges Faced
Conversely, some owners faced challenges, including:
- Increased maintenance costs due to wear and tear
- Potential reliability issues with aftermarket parts
- Need for regular tuning adjustments
Conclusion
The long-term reliability of FA20 modifications largely depends on the quality of the parts used and the installation process. While many owners enjoy enhanced performance and driving pleasure, it is essential to remain vigilant regarding maintenance and potential issues. As the FA20 community continues to grow, sharing experiences will be vital for future enthusiasts looking to modify their engines.