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The Jeep Wrangler is a beloved vehicle known for its off-road capabilities and rugged design. When it comes to upgrading a high-power Wrangler HEMI build, ensuring that the transmission and axle can handle the increased power is crucial. This article explores the best transmission and axle upgrades that can enhance performance and durability.
Understanding the Importance of Upgrades
Upgrading the transmission and axles in a high-power Wrangler HEMI build is essential for several reasons:
- Power Handling: Increased horsepower requires components that can manage the extra torque.
- Durability: Upgraded parts are designed to withstand the rigors of off-road driving.
- Performance: Enhanced transmission and axle systems improve acceleration and handling.
Transmission Upgrades
Choosing the right transmission for your high-power Wrangler HEMI build is critical. Here are some of the best options:
1. TorqueFlite 8HP70 Transmission
The TorqueFlite 8HP70 is an 8-speed automatic transmission that provides smooth shifting and improved fuel efficiency. This transmission is capable of handling high torque loads, making it ideal for a HEMI build.
2. 545RFE Transmission
The 545RFE is a 5-speed automatic transmission known for its robustness. It can be upgraded with heavy-duty clutches and a larger torque converter to handle increased power levels effectively.
3. Manual Transmission Options
If you prefer a manual transmission, consider the NV3550 or the NSG370. Both offer durability and can be enhanced with aftermarket parts to improve performance.
Axle Upgrades
Upgrading the axles is just as important as upgrading the transmission. Here are some top choices for axles that can support a high-power HEMI build:
1. Dana 60 Axles
The Dana 60 axles are known for their strength and reliability. They can handle heavy loads and are perfect for off-road applications, making them a popular choice for high-power builds.
2. Currie Enterprises Axles
Currie Enterprises offers custom-built axles that can be tailored to your specific needs. Their axles are designed for extreme durability and performance, making them ideal for high-power applications.
3. RockJock Axles
RockJock axles are built for serious off-road enthusiasts. They provide excellent strength and performance, making them a great choice for a HEMI-powered Wrangler.
Additional Considerations
When upgrading your transmission and axles, consider the following:
- Gear Ratio: Matching the gear ratio to your engine’s power band is crucial for optimal performance.
- Aftermarket Support: Ensure that there are aftermarket parts available for your chosen upgrades.
- Installation: Professional installation is recommended to ensure proper fit and function.
Conclusion
Upgrading the transmission and axles in a high-power Wrangler HEMI build is essential for maximizing performance and durability. By selecting the right components, you can ensure that your vehicle can handle the power and provide an exhilarating driving experience.