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The Subaru BRZ and Toyota 86, powered by the FA20 engine, have gained a reputation for their lightweight chassis and engaging driving experience. However, for enthusiasts looking to maximize performance, upgrading the camshaft and pulleys can yield significant power gains. In this article, we will explore the best camshaft and pulley upgrades that can help you achieve a target of 245 horsepower.
Understanding the FA20 Engine
The FA20 engine is a 2.0-liter flat-four engine that features a unique design, including direct fuel injection and a high compression ratio. This engine is known for its balanced performance and responsiveness. However, to reach higher power levels, modifications are necessary.
Benefits of Camshaft Upgrades
Upgrading the camshaft can significantly enhance the engine’s performance by improving airflow and increasing the engine’s efficiency. A performance camshaft can provide:
- Increased horsepower and torque
- Better throttle response
- Improved engine sound
Top Camshaft Options
Here are some of the best camshaft upgrades for the FA20 engine:
- GSC Power-Division S2 Camshafts: These camshafts are designed for high RPM performance, providing a significant boost in power.
- BC Racing Stage 2 Camshafts: Known for their excellent mid-range torque, these cams are perfect for street performance.
- Torque Solution Camshafts: These offer a great balance between performance and drivability, ideal for daily drivers.
Pulley Upgrades for Enhanced Performance
Pulley upgrades are another effective way to increase power output. By reducing the weight of the pulleys, you can decrease parasitic losses and improve engine responsiveness.
- Lightweight crank pulleys
- Underdrive pulleys
Recommended Pulley Upgrades
Here are some top pulley upgrades to consider:
- Grimmspeed Lightweight Crank Pulley: This pulley reduces weight, allowing the engine to rev more freely.
- Torque Solution Underdrive Pulley: Designed to optimize power delivery by reducing the load on the engine accessories.
Combining Camshaft and Pulley Upgrades
For the best results, consider combining camshaft and pulley upgrades. This synergistic effect can lead to optimal performance gains, helping you reach or exceed the desired 245 horsepower mark.
Installation Considerations
When upgrading your camshaft and pulleys, proper installation is crucial. Consider the following:
- Professional installation is recommended for camshaft upgrades.
- Ensure proper timing alignment during installation.
- Consider tuning your engine after upgrades for optimal performance.
Tuning After Upgrades
After installing camshaft and pulley upgrades, tuning your engine is essential. A proper tune will ensure that your engine runs efficiently and safely, maximizing the benefits of your modifications.
Conclusion
Upgrading the camshaft and pulleys in your BRZ FA20 can significantly enhance performance and help you reach your horsepower goals. With the right components and proper installation, you can enjoy a more powerful and responsive driving experience.