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The Subaru WRX is renowned for its impressive performance, but as enthusiasts seek to increase power, the need for robust transmission and clutch upgrades becomes essential. This article explores the various options available for upgrading the VA WRX’s transmission and clutch systems to safely handle increased power.
Understanding the VA WRX Transmission
The VA generation of the Subaru WRX, produced from 2015 onwards, features a sophisticated transmission system that is designed to deliver power efficiently. However, when modifications are made to boost engine output, the stock transmission may struggle to cope with the added stress.
Common Issues with Stock Transmission
As power levels rise, several common issues can arise with the stock VA WRX transmission:
- Increased wear on gears and synchros
- Overheating under heavy load
- Slipping or grinding during shifts
- Inability to handle high torque levels
Transmission Upgrades for VA WRX
To address the limitations of the stock transmission, several upgrade options are available:
- Short Throw Shifter: Reduces shift throw distance for quicker gear changes.
- Upgraded Gear Sets: Stronger materials and improved design for enhanced durability.
- Transmission Cooler: Helps maintain optimal temperatures during aggressive driving.
- Heavy-Duty Clutch Fork: Reduces flex and improves engagement reliability.
Clutch Upgrades for VA WRX
A high-performance clutch is crucial for managing increased power in the VA WRX. Here are some popular clutch upgrades:
- Stage 1 Clutch Kit: Suitable for moderate power increases, offering improved grip without sacrificing daily drivability.
- Stage 2 Clutch Kit: Designed for higher horsepower applications, providing enhanced holding capacity and quicker engagement.
- Single Mass Flywheel: Reduces rotational mass for faster engine response and improved acceleration.
- Organic vs. Ceramic Discs: Organic discs offer better street performance, while ceramic discs are suited for track use.
Benefits of Upgrading Transmission and Clutch
Upgrading the transmission and clutch system in a VA WRX offers numerous benefits:
- Increased reliability under high power conditions
- Improved shift feel and responsiveness
- Enhanced performance during acceleration
- Reduced risk of transmission failure
Considerations Before Upgrading
Before making upgrades, consider the following:
- Power Goals: Define your power goals to choose appropriate upgrades.
- Driving Style: Consider whether your driving is primarily street or track-focused.
- Budget: Evaluate the costs associated with parts and installation.
- Professional Installation: Some upgrades may require professional installation for optimal results.
Conclusion
Upgrading the transmission and clutch in a VA WRX is essential for handling increased power safely and effectively. By selecting the right components and understanding the implications of modifications, enthusiasts can enjoy enhanced performance and reliability on the road or track.