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The FA20 engine, known for its performance and tuning potential, has gained popularity among car enthusiasts looking to build high horsepower setups. In this article, we will explore the cost of building a 400 HP FA20 engine, including the necessary parts, labor costs, and the expected results of such a build.
Understanding the FA20 Engine
The FA20 engine is a 2.0-liter flat-four engine developed by Subaru, featuring a DOHC design and direct fuel injection. Its lightweight and compact design make it an ideal candidate for performance modifications. Before diving into the costs, it’s essential to understand its base capabilities and limitations.
Key Components Needed for a 400 HP Build
Building a 400 HP FA20 engine requires several key components. Each of these parts plays a crucial role in achieving the desired horsepower while maintaining reliability.
- Turbocharger: A high-performance turbocharger is essential for increasing airflow and power.
- Intercooler: An upgraded intercooler helps reduce intake temperatures, improving performance.
- Fuel Injectors: Larger fuel injectors are necessary to supply enough fuel for higher power levels.
- ECU Tuning: A custom tune is required to optimize engine performance and ensure safe operation.
- Exhaust System: An aftermarket exhaust system improves airflow and reduces back pressure.
- Upgraded Internals: Forged pistons and connecting rods may be necessary for reliability at higher power levels.
Estimated Costs of Parts
The cost of parts can vary significantly based on brand, quality, and whether the parts are new or used. Below is an estimated breakdown of the costs associated with each key component.
- Turbocharger: $1,500 – $3,000
- Intercooler: $400 – $1,000
- Fuel Injectors: $300 – $600
- ECU Tuning: $500 – $1,200
- Exhaust System: $600 – $1,500
- Upgraded Internals: $1,000 – $2,500
Total Parts Cost
Adding up the estimated costs of the components, the total parts cost for building a 400 HP FA20 engine can range from approximately $4,900 to $10,800, depending on the choices made.
Labor Costs
Labor costs for building an engine can vary widely based on location and the mechanic’s expertise. Typically, you can expect to pay between $100 to $150 per hour for professional labor.
Estimated Labor Hours
Building a high-performance engine like the FA20 can take anywhere from 10 to 30 hours, depending on the complexity of the build and the experience of the mechanic. Below is an estimated breakdown of labor costs:
- Basic Build (10 hours): $1,000 – $1,500
- Intermediate Build (20 hours): $2,000 – $3,000
- Advanced Build (30 hours): $3,000 – $4,500
Total Build Cost
When combining parts and labor, the total cost for building a 400 HP FA20 engine can range from approximately $5,900 to $15,300. This range accounts for the variability in parts selection and labor hours.
Expected Results
A well-executed 400 HP FA20 build can yield impressive results in terms of performance. Here are some expected outcomes:
- Increased Horsepower: Achieving 400 HP with proper tuning and components.
- Improved Torque: Enhanced torque delivery for better acceleration.
- Enhanced Throttle Response: Quicker response due to upgraded components.
- Better Reliability: With upgraded internals, the engine can handle increased stress.
- Exciting Driving Experience: A more engaging and thrilling driving experience.
Conclusion
Building a 400 HP FA20 engine is an exciting project that can lead to significant performance improvements. While the costs can be substantial, the rewards in terms of driving experience and vehicle performance make it a worthwhile investment for enthusiasts.