The T-56 six speed manual transmission has been used in a wide range of vehicles from General Motors, Dodge, and Ford Motor Company. The transmission was originally designed and built by Borg-Warner, but as of 1998, is built by Tremec.
Applications
- Aston Martin DB7 Vantage
- Aston Martin V12 Vanquish, 2001-2006
- Cadillac CTS V-Series, 2004-2006
- Chevrolet Corvette, 1997-2006
- Chevrolet SSR, 2005-2006
- Dodge SRT10 Ram, 2004-2006
- Dodge Viper, 1992-2006
- Ford Mustang Cobra, 2003-2004
- Ford Mustang Cobra R, 2000
- General Motors GM_F_platform V8 cars, 1993-2002
- Holden Commodore
- Holden Monaro, 2001-2006
- Pontiac GTO, 2004-2006
Features
The transmission uses a hydraulic clutch and had an 11 inch clutch disk. The entire case, including the bellhousing, is made of aluminum. The T-56 has a synchromesh made up of brass synchros for the GM and Ford applications, and stainless steel in the Dodge application.
Specifications
| Application |
1st |
2nd |
3rd |
4th |
5th |
6th |
| All except otherwise noted |
2.66:1 |
1.78:1 |
1.30:1 |
1.00:1 |
0.74:1 |
0.50:1 |
| 1993 Camaro Z28 |
3.36:1 |
2.07:1 |
1.35:1 |
1.00:1 |
0.80:1 |
0.62:1 |
| 1993 Camaro Z28 with G92 axle |
2.97:1 |
2.07:1 |
1.43:1 |
1.00:1 |
0.80:1 |
0.62:1 |
Pontiac GTO
Cadillac CTS-V |
2.97:1 |
2.07:1 |
1.43:1 |
1.00:1 |
0.84:1 |
0.57:1 |
| Chevrolet SSR |
3.01:1 |
2.07:1 |
1.43:1 |
1.00:1 |
0.84:1 |
0.57:1 |
| 2005 Corvette Z51 |
2.97:1 |
2.07:1 |
1.43:1 |
1.00:1 |
0.71:1 |
0.57:1 |
- 26-spline input shaft (GM)
- 31-spline input shaft (Dodge)
- 400 ft·lbf torque capacity (1993 F-Body)
- 450 ft·lbf torque capacity (GM, except 1993 F-Body)
- 600 ft·lbf torque capacity (Dodge)
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