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 BorgWarner for the Dodge Viper later being used by GM in 1992 for the generation II and later engines, but from 1998 was built by Tremec, after they purchased BorgWarner's manual transmission business. The T-56 has been succeeded by the Tremec TR-6060 transmission in many former T-56 applications, as well as applications requiring greater strength than the T-56 could offer.
Applications Aston Martin DB7 Vantage, 1999–2003 Aston Martin V12 Vanquish, 2001–2006 Chevrolet Corvette, 1997–2007 Chevrolet Camaro Z28/SS, 1993–2002 Pontiac Firebird Formula/Trans Am,1993–2002 Dodge Ram SRT10, 2004–2006 Dodge Viper, 1992–2007 Ford Mustang Cobra, 2003–2004 Ford Mustang Cobra R, 2000 Ford Falcon XR8, 2002–2005 FPV F6 Tornado/Typhoon, GT/GT-P, 2004–2008 General Motors GM F platform V8 cars, 1993–2002 Holden Commodore SV8/SS, 1994–2008 Holden Monaro CV8, 2001–2006 GM M12 2001–2004 Chevrolet Corvette Z06 2004–2006 Pontiac GTO 2004–2007 Cadillac CTS-V GM MN6 2004–2007 Chevrolet Corvette GM M10 2005–2006 Chevrolet SSR 2006–2008 Holden VE Commodore GM MZ6 2005–2007 Chevrolet Corvette Z51
Features The transmission uses a hydraulic clutch, except for the Cobra which was mechanical. The Cobra had an 11-inch clutch disc. The entire case, including the bell housing, 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. The transmission also features internal stops which render stopbolts on the shifter mechanism unnecessary.
Identification Tag IDApplicationTorque Rating (lb.ft)1st2nd3rd4th5th6thRevInput SplinesOutput Splines1386-000-0031992 Dodge Viper3302.66:11.78:11.30:11.00:10.74:10.50:12.90:126301386-000-0051993–1995 Dodge Viper5502.66:11.78:11.30:11.00:10.74:10.50:12.90:126301386-000-0061993 Camaro/Firebird w/2.73 final drive "M28"3503.36:12.07:11.35:11.00:10.80:10.62:13.28:126271386-000-0071993 Camaro/Firebird w/3.23 final drive "M29"4002.97:12.07:11.43:11.00:10.80:10.62:13.28:126271386-000-0091994–1995 Camaro/Firebird4502.66:11.78:11.30:11.00:10.74:10.50:12.90:126271386-000-011GM Aftermarket4502.97:12.07:11.43:11.00:10.80:10.62:13.28:126271386-000-012Mustang 5.0 Aftermarket4502.97:12.07:11.43:11.00:10.80:10.62:13.28:110311386-000-013Holden4502.66:11.78:11.30:11.00:10.74:10.50:12.90:126271386-000-0141996–2002 Dodge Viper2.66:11.78:11.30:11.00:10.74:10.50:12.90:126301386-000-0161996–1997 Camaro/Firebird4502.66:11.78:11.30:11.00:10.74:10.50:12.90:126271386-000-0171998 Camaro/Firebird4502.66:11.78:11.30:11.00:10.74:10.50:12.90:126271386-000-0181996–2002 Dodge Viper4502.66:11.78:11.30:11.00:10.74:10.50:12.90:126301386-000-0193902.66:11.78:11.30:11.00:10.74:10.50:12.90:11386-000-0201999–2002 Camaro/Firebird4502.66:11.78:11.30:11.00:10.74:10.50:12.90:126271386-000-021Aston Martin4502.66:11.78:11.30:11.00:10.79:10.63:12.90:126301386-000-022Holden Commodore3502.66:11.78:11.30:11.00:10.74:10.50:12.90:126271386-000-023Corvette C5 (MM6)3752.66:11.78:11.30:11.00:10.74:10.50:12.90:126271386-000-0243752.66:11.78:11.30:11.00:10.74:10.50:12.90:11386-000-025Corvette Z06 C5 (MZ6)3852.97:12.07:11.43:11.00:10.84:10.56:12.90:12627TNET-10774152.97:11.78:11.30:11.00:10.74:10.50:12.90:1TNET-1247Dodge Viper4502.66:11.78:11.30:11.00:10.74:10.50:12.90:12630TUET-12594.6 Mustang Aftermarket w/mech speedo4502.97:12.07:11.43:11.00:10.80:10.62:13.28:11031TUET-12604.6 Mustang Aftermarket w/elec speedo4502.97:12.07:11.43:11.00:10.80:10.62:13.28:11031TUET-1452Chevrolet Corvette3702.66:11.78:11.30:11.00:10.74:10.50:12.90:12627TUET-1453Chevrolet Corvette3702.66:11.78:11.30:11.00:10.74:10.50:12.90:12627TUET-1576Aston Martin4152.66:11.78:11.30:11.00:10.79:10.63:12.90:12630TUET-16603502.66:11.78:11.30:11.00:10.74:10.50:12.90:127TUET-16942003–2004 Mustang Cobra4502.66:11.78:11.30:11.00:10.79:10.63:12.90:11027TUET-1806Dodge Viper SRT-105502.66:11.78:11.30:11.00:10.74:10.50:12.90:12630TUET-2022Cadillac CTS-V2.97:12.07:11.43:11.00:10.84:10.56:12.90:1TUET-2060Mustang Cobra4502.97:12.07:11.43:11.00:10.80:10.62:13.28:11027TUET-2062Dodge Viper5502.66:11.78:11.30:11.00:10.74:10.50:12.90:12630TUET-2066Pontiac GTO/Holden Monaro2.97:12.07:11.43:11.00:10.84:10.56:12.90:12627TUET-5044Cadillac CTS-V (M12) 2.97:12.07:11.43:11.00:10.84:10.56:12.90:1TUET-8381AHolden VE GTS/R8 (M10) Vauxhall VXR8 (M10) E14503.01:12.07:11.43:11.00:10.84:10.57:13.28:12627TUET-6450T-56 Ford N/A XR63.35:12.07:11.35:11.00:10.80:10.63:12331TUET-7477T-56 Magnum Chevy Aftermarket2.66:11.78:11.30:11.00:10.80:10.63:12631TUET-7484T-56 Magnum Ford Aftermarket2.66:11.78:11.30:11.00:10.80:10.63:12631TUET-8274T-56 Magnum Ford Aftermarket2.97:12.10:11.46:11.00:10.74:10.50:12631TUET-8277T-56 Magnum Chevy Aftermarket2.97:12.10:11.46:11.00:10.74:10.50:12631
See also GM LT engine Borg-Warner T-5 transmission Tremec TR-6060 transmission
External links Borg Warner Inc. Official page