There are a lot of people split over which 6-speed, the T56 or TR6060, is superior. To get to that, it is important to understand the key differences between the two. Let’s compare the technical specs, price range, and vehicle compatibility to determine which is the winner.
The T56 transmission first appeared with the Dodge Viper in 1992, with a defining feature being its hydraulic clutch. The T56 Magnum transmission unit is designed for higher horsepower. The magnum shares some of the same parts that the TR6060 transmission has, including the output shaft. The T56 transmission is now remanufactured by these guys, Reman Transmission.
The T56 transmission is primarily made of aluminum, making it lightweight yet sturdy. However, the gear ratios may require consoles to be custom-cut to ensure an adequate fit.
The TR6060 transmission was inspired by some of the shortcomings of the T56 transmissions, particularly the limited torque. The manufacturer, Tremec, also cites the TKO as another muse. Here is a remanufacturer of the TR6060 transmission with remanufactured versions available for sale.
The desired increase in torque is addressed by separating the clutch ring and gear. Laser welding is used to keep space consumed to a minimum. the diameter of the friction rings and blocker. The three-cone configuration in conjunction with the altered friction ring and blocker diameters helps increase the power.
The T56 transmission begins in the low $3,300 range and can go into the low $6,000 range, depending on the brand, when purchased new. Used and refurbished transmissions vary greatly in price depending on the condition of the transmission and each of the parts.
The TR6060 transmission begins at about $4,000 for a new one.
The vehicles that traditionally receive the T56 transmission are:
- Multiple Dodge Vipers
- Multiple Camaro / Firebirds
- Multiple Corvettes
- 2003-2004 Mustang Terminator
The vehicles that traditionally receive the TR6060 transmission are:
- Multiple Ford Mustang Shelby
- Multiple Chevrolet Corvettes
- 2009+ Dodge Challenger
- Multiple Chevrolet Camaros
Ultimately, the T56 functions very well given its price point. The TR6060 benefits by being designed with the shortcomings of the T56 in mind. The TR6060 has more torque and power, and this is reflected in the higher cost. If you need the additional horsepower, the TR6060 is the winner.
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