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The RX-8 is a unique sports car known for its lightweight design and rotary engine. However, many enthusiasts are looking to enhance its performance by swapping in a more powerful LS engine. One of the critical decisions in this process is selecting the right transmission. This article explores the best transmission choices for an RX-8 LS swap, focusing on the T56, TR6060, and 4L80E options.
Overview of Transmission Options
When considering a transmission for your RX-8 LS swap, it’s essential to understand the characteristics of each option. The T56, TR6060, and 4L80E each have unique features that may suit different driving styles and performance goals.
T56 Transmission
The T56 is a popular choice among performance enthusiasts. It is a six-speed manual transmission that offers a good balance of performance and drivability.
- Gear Ratios: The T56 features closely spaced gears, allowing for quick acceleration and optimal power delivery.
- Weight: It is relatively lightweight, which helps maintain the RX-8’s agile handling.
- Aftermarket Support: There is a vast aftermarket for T56 parts, making upgrades and repairs easier.
Pros of T56 Transmission
- Excellent performance with the LS engine.
- Wide range of aftermarket options.
- Good balance of weight and strength.
Cons of T56 Transmission
- Can be more challenging to install due to its size.
- May require custom driveshaft and crossmember.
TR6060 Transmission
The TR6060 is another six-speed manual transmission that has gained popularity, particularly in modern muscle cars.
- Durability: The TR6060 is known for its robust construction, making it suitable for high horsepower applications.
- Shifting Feel: It offers a smooth shifting experience that many drivers appreciate.
- Gear Ratios: Similar to the T56, it has closely spaced gear ratios for optimal performance.
Pros of TR6060 Transmission
- Highly durable and can handle significant power.
- Smooth shifting enhances driving experience.
- Great for performance builds.
Cons of TR6060 Transmission
- Heavier than the T56, which may affect handling.
- Less aftermarket support compared to the T56.
4L80E Transmission
The 4L80E is a four-speed automatic transmission that offers a different approach for RX-8 LS swaps. While it is not a manual option, it has its advantages.
- Ease of Use: The automatic nature of the 4L80E makes it easier to drive, especially in traffic.
- Strength: This transmission is known for its durability and can handle high torque applications.
- Overdrive Gear: It features an overdrive gear, which can improve fuel efficiency on long drives.
Pros of 4L80E Transmission
- Great for daily driving and ease of use.
- Can handle high horsepower and torque.
- Improved fuel efficiency with overdrive.
Cons of 4L80E Transmission
- Heavier than manual options, which may affect performance.
- Less engaging driving experience compared to manual transmissions.
Conclusion
Choosing the right transmission for your RX-8 LS swap is crucial for achieving the desired performance and driving experience. The T56 offers excellent performance and aftermarket support, while the TR6060 provides durability and smooth shifting. On the other hand, the 4L80E is a solid choice for those preferring an automatic transmission with ease of use. Consider your driving style, performance goals, and the specific modifications you plan to make to determine the best option for your project.