The TCI Automotive 229700 Low Gear Planetary is a high-performance upgrade designed for TH400 transmissions. This planetary gear set provides enhanced gear reduction, improving low-end response and increasing torque without compromising your highway cruising RPM. Ideal for those seeking improved acceleration and off-road capability, the TCI 229700 offers a perfect balance between off-the-line power and high-speed efficiency.
Technical Specifications
- Gear Set:
- Designed specifically for TH400 transmissions, compatible with a wide range of performance vehicles.
- Gear Reduction:
- Provides additional gear reduction for better low-end torque and quicker acceleration, particularly useful for off-road, towing, or high-performance applications.
- Material:
- Manufactured from high-strength steel to withstand the increased load and stress from high-performance driving conditions.
- Ratio:
- Delivers an improved low gear ratio for superior off-the-line response, without significantly altering highway cruise RPM.
- Compatibility:
- Compatible with stock and performance builds using the TH400 transmission, including street performance, drag racing, and off-road setups.
Performance Benefits
- Improved Low-End Torque:
- The lower gear ratio gives your vehicle better low-end response, allowing for quicker launches and improved acceleration, especially in heavy towing or off-road conditions.
- Enhanced Off-Road Capability:
- Perfect for off-road enthusiasts or vehicles that need increased torque to conquer steep inclines, obstacles, or challenging terrain.
- Cruising RPM Retention:
- Unlike other low gear modifications, the TCI 229700 retains highway cruising RPM, allowing you to enjoy both improved low-end power and comfortable highway driving without significant engine strain.
- Increased Durability:
- The high-strength steel construction ensures that the gear set can handle increased stress from higher torque applications, providing long-lasting durability and performance.
- Efficient Power Transfer:
- Provides more efficient power transfer from the engine to the wheels, improving overall performance during acceleration and heavy-load conditions.
Design Features
- Precision Engineering:
- Each component of the planetary gear set is precision-machined to exacting standards, ensuring optimal fitment and long-term reliability.
- High-Strength Steel:
- Crafted from premium-quality steel, this gear set is designed to endure high-torque applications and provide smooth, consistent operation.
- Improved Gear Ratio:
- The modified gear ratio improves low-end torque and acceleration, while the highway cruise RPM remains virtually unchanged, making it ideal for vehicles that require the best of both worlds.
- Easy Installation:
- Designed for a direct fit into the TH400 transmission, the kit comes with all the necessary components for installation.
Installation & Maintenance
- Installation:
- The TCI 229700 planetary gear set is designed to be a direct replacement for the stock gear set in the TH400 transmission. It requires basic mechanical skills and tools to install, but professional installation is recommended for those unfamiliar with transmission work.
- Maintenance:
- Regular fluid changes and visual inspections are recommended to ensure that the planetary gear set is operating smoothly. The durability of the steel construction minimizes the need for frequent maintenance or part replacement.
Compliance
- Durability:
- Built for high-performance applications, the TCI planetary gear set meets the demands of aggressive driving, heavy towing, and off-road use.
- Engineered for Performance:
- Enhances vehicle performance without sacrificing highway comfort, providing a balanced solution for enthusiasts seeking both low-end power and efficient cruising capability.
REVIEWS
MD
"I installed the TCI 229700 low gear planetary in my 1975 Chevelle with a TH400, and the difference is night and day! The car launches so much harder now, and I don't notice any difference on the highway. Great upgrade!"
JF
"This planetary gear set gave my 4x4 truck the low-end power I was looking for without killing my cruising RPMs. It's perfect for towing and off-road use. Installation was straightforward, and I’m impressed with the quality."