Gearbox ratios

Boxes whose figures are not yet confirmed from an official document, and boxes that share a ratio set with one already listed, are named without a link. They are still in the calculator.

Aston Martin

• Aston Martin V8 Vantage 4.3 6-Speed Transaxle (2006 MY, 3.91 diff) 6 gears, 3.15 to 0.77

BMW

• BMW 6-Speed Manual (E86 Z4 M Coupe, S54) 6 gears, 4.35 to 0.85
• BMW 6-Speed Manual (E9x M3 / S65) 6 gears, 4.055 to 0.872
• BMW Getrag 420G 6-Speed (E39 M5 / E46 M3) 6 gears, 4.23 to 0.83
• BMW GS7 7-Speed Long Ratio (F-Chassis) 7 gears, 4.806 to 0.671
• BMW GS7 7-Speed Short Ratio (E-Chassis) 7 gears, 4.78 to 1.00
• BMW ZF 8HP70 8-Speed Auto (Early F-Chassis) 8 gears, 4.714 to 0.667
• BMW ZF 8HP75 8-Speed Auto (Late G-Chassis) 8 gears, 5.00 to 0.64

Ford

• Ford T5 5-Speed (Fox Body Mustang) 5 gears, 4.03 to 0.79; ratios not yet confirmed from an official document
• Ford Tremec T56 Magnum XL 6-Speed 6 gears, 2.66 to 0.63; same ratios as GM Tremec T56 Magnum 6-Speed Close Ratio, 2.66 First (Aftermarket LS)
• Ford Tremec TKO-500 5-Speed Short Ratio (3.27 first) 5 gears, 3.27 to 0.68
• Ford Tremec TKO-600 5-Speed Long Ratio (2.87 first, 0.64 OD) 5 gears, 2.87 to 0.64
• Ford Tremec TKX 5-Speed (2.87 first, 0.68 OD) 5 gears, 2.87 to 0.68
• Ford Tremec TKX 5-Speed (2.87 first, 0.81 OD) 5 gears, 2.87 to 0.81
• Ford Tremec TKX 5-Speed (3.27 first, 0.72 OD) 5 gears, 3.27 to 0.72
• Ford Tremec TR6060 6-Speed (2011–12 Mustang Shelby GT500) 6 gears, 2.97 to 0.50; close variant of the GM Tremec T56 Magnum 6-Speed Wide Ratio, 0.74/0.50 OD (Aftermarket LS)
• Ford Tremec TR6060 6-Speed (2013 Mustang Shelby GT500) 6 gears, 2.66 to 0.50

GM - Automatic

• GM 10L80E / 10L90E 10-Speed Auto (Camaro ZL1 / trucks) 10 gears, 4.696 to 0.636
• GM 4L80E 4-Speed Auto (heavy duty / 1,000hp+) 4 gears, 2.48 to 0.75
• GM 6L50E 6-Speed Auto (Camaro V6 / CTS / lighter vehicles) 6 gears, 4.06 to 0.67
• GM 6L80E / 6L90E 6-Speed Auto (LS3 / trucks / heavy duty) 6 gears, 4.027 to 0.667
• GM 700R4 / 4L60E / 4L65E 4-Speed Auto (identical ratios) 4 gears, 3.06 to 0.70
• GM 8L90E 8-Speed Auto (C7 Corvette / LT1) 8 gears, 4.56 to 0.652
• GM TH350 3-Speed Auto (classic LS / SBC swap) 3 gears, 2.52 to 1.00; listed here only
• GM TH400 3-Speed Auto (heavy duty drag / truck) 3 gears, 2.48 to 1.00; listed here only

GM - Corvette Transaxles

• GM C5 Corvette T56 Transaxle (3.42 diff) 6 gears, 2.66 to 0.50
• GM C6 Corvette TR6060 Transaxle (3.42 diff) 6 gears, 2.66 to 0.50; same ratios as GM C5 Corvette T56 Transaxle (3.42 diff)
• GM C6 Grand Sport 6-Speed Transaxle (2013, 3.42 diff) 6 gears, 2.97 to 0.50
• GM C6 Z06 6-Speed Transaxle (3.42 diff) 6 gears, 2.66 to 0.50; same ratios as GM C5 Corvette T56 Transaxle (3.42 diff)
• GM C6 Z51 6-Speed Transaxle (2006–09, 3.42 diff) 6 gears, 2.97 to 0.57
• GM C6 ZR1 TR6060 Close-Ratio Transaxle (3.42 diff) 6 gears, 2.29 to 0.68
• GM C7 Corvette TR6070 Transaxle (3.42 diff) 7 gears, 2.66 to 0.42
• GM C7 Z06 / ZR1 TR6070 Transaxle (3.42 diff) 7 gears, 2.29 to 0.45
• GM C7 Z51 / Grand Sport TR6070 Transaxle (3.42 diff) 7 gears, 2.97 to 0.48
• GM C8 Corvette TREMEC TR-9080 8-Speed DCT Transaxle (mLSD, 4.9 final drive) 8 gears, 2.91 to 0.33
• GM C8 Corvette Z51 TREMEC TR-9080 8-Speed DCT Transaxle (eLSD, 5.2 final drive) 8 gears, 2.91 to 0.33; close variant of the GM C8 Corvette TREMEC TR-9080 8-Speed DCT Transaxle (mLSD, 4.9 final drive)

GM - Manual

• GM Aisin AY6 6-Speed (High Feature V6) 6 gears, 4.48 to 0.75
• GM Getrag 260 5-Speed (Holden Ecotec V6) 5 gears, 3.83 to 0.81
• GM Tremec T56 6-Speed (Early LS) 6 gears, 2.66 to 0.50
• GM Tremec T56 Magnum 6-Speed Close Ratio, 2.66 First (Aftermarket LS) 6 gears, 2.66 to 0.63
• GM Tremec T56 Magnum 6-Speed Wide Ratio, 0.74/0.50 OD (Aftermarket LS) 6 gears, 2.97 to 0.50
• GM Tremec T56 Magnum 6-Speed Wide Ratio, 0.80/0.63 OD (Aftermarket LS) 6 gears, 2.97 to 0.63
• GM Tremec TR6060 6-Speed (2010–15 Camaro SS, per GM) 6 gears, 3.01 to 0.57
• GM Tremec TR6060 6-Speed (2016+ Camaro SS per TREMEC; 2013–15 Camaro SS 1LE per GM) 6 gears, 2.66 to 0.50; same ratios as GM Tremec T56 6-Speed (Early LS)
• GM Tremec TR6060 6-Speed (Cadillac CTS-V / ATS-V, per TREMEC) 6 gears, 2.66 to 0.63; same ratios as GM Tremec T56 Magnum 6-Speed Close Ratio, 2.66 First (Aftermarket LS)
• GM Tremec TR6060 6-Speed (Camaro ZL1 1LE, per TREMEC) 6 gears, 2.29 to 0.68
• GM Tremec TR6060 6-Speed (Camaro ZL1, per TREMEC) 6 gears, 2.29 to 0.54
• GM Tremec TR6060 6-Speed Close Ratio (C6 Corvette ZR1 LS9, per GM) 6 gears, 2.29 to 0.68; close variant of the GM Tremec TR6060 6-Speed (Camaro ZL1 1LE, per TREMEC)

Honda / Acura

• Honda / Acura 5-Speed (1992 Acura Integra GS-R) 5 gears, 3.307 to 0.875
• Honda / Acura B-Series 5-Speed LSD (Integra Type-R / ITR) 5 gears, 3.23 to 0.848
• Honda / Acura K20 6-Speed (Acura RSX Type-S, 2002) 6 gears, 3.267 to 0.738
• Honda / Acura K20 6-Speed (Civic Type R EP3, 2001) 6 gears, 3.266 to 0.78

Land Rover

• Land Rover LT77 5-Speed (1993 North American Defender 90 / 110, V8) 5 gears, 3.65 to 0.795
• Land Rover R380 5-Speed Td5 (Discovery Series II 1999–2004) 5 gears, 3.692 to 0.77
• Land Rover R380 5-Speed V8 (Discovery / Range Rover) 5 gears, 3.321 to 0.732

Maserati / Ferrari

• Maserati / Ferrari Cambiocorsa F1 6-Speed Transaxle (Coupe – 3.73 diff) 6 gears, 3.29 to 0.85

Mazda

• Mazda 6-Speed Manual (MX-5 NC, 2006) 6 gears, 3.82 to 0.83
• Mazda 6-Speed Manual (MX-5 NC, 2015) 6 gears, 3.82 to 0.79; close variant of the Mazda 6-Speed Manual (MX-5 NC, 2006)
• Mazda 6-Speed Manual (RX-8 Series 1, 2004) 6 gears, 3.76 to 0.84
• Mazda 6-Speed Manual (RX-8 Series 2, 2011) 6 gears, 3.82 to 0.79

Mitsubishi

• Mitsubishi TC-SST 6-Speed Twin-Clutch (Evo X MR) 6 gears, 3.655 to 0.775
• Mitsubishi W5M6A 5-Speed (Evo X GSR) 5 gears, 2.857 to 0.761
• Mitsubishi W6MAA 6-Speed (Evo IX GSR / IX MR, 4.583 final drive) 6 gears, 2.909 to 0.693

Nissan

• Nissan CD009 6-Speed (350Z / 370Z) 6 gears, 3.79 to 0.79

Porsche

• Porsche 6-Speed Manual Transaxle (997.2 Carrera) 6 gears, 3.91 to 0.88
• Porsche 915/02 5-Speed Transaxle (911 T/E/S 1972–1973) 5 gears, 3.182 to 0.759
• Porsche 915/61 5-Speed Transaxle (911 SC 1978–1979) 5 gears, 3.182 to 0.821
• Porsche 915/62 5-Speed Transaxle (911 SC 1980–1983) 5 gears, 3.182 to 0.786
• Porsche 915/68 5-Speed Transaxle (911 Carrera 3.2 1984–1986, USA/CDN/J) 5 gears, 3.182 to 0.789; close variant of the Porsche 915/62 5-Speed Transaxle (911 SC 1980–1983)
• Porsche G50 5-Speed Transaxle (911 Carrera 3.2 1987) 5 gears, 3.50 to 0.889
• Porsche G50 5-Speed Transaxle (911 Carrera 3.2 1988–1989) 5 gears, 3.50 to 0.892; close variant of the Porsche G50 5-Speed Transaxle (911 Carrera 3.2 1987)
• Porsche G50/03 5-Speed Transaxle (964 Carrera 2 1990–1994) 5 gears, 3.50 to 0.868
• Porsche G50/05 5-Speed Transaxle (964 Carrera 2 USA/CDN 1992–1994) 5 gears, 3.50 to 0.868
• Porsche G50/52 5-Speed Transaxle (964 Turbo 1991–1994) 5 gears, 3.154 to 0.756
• Porsche PDK 7-Speed Transaxle (991.1 Carrera / Carrera S) 7 gears, 3.91 to 0.62
• Porsche PDK 7-Speed Transaxle (991.2 Carrera) 7 gears, 3.91 to 0.62; close variant of the Porsche PDK 7-Speed Transaxle (991.1 Carrera / Carrera S)

Subaru

• Subaru 6-Speed (Impreza WRX STI 2004–06) 6 gears, 3.636 to 0.756
• Subaru 6-Speed (WRX STI 2007–18) 6 gears, 3.636 to 0.756; close variant of the Subaru 6-Speed (Impreza WRX STI 2004–06)
• Subaru 6-Speed (WRX STI 2019–21, revised 3rd) 6 gears, 3.636 to 0.756; close variant of the Subaru 6-Speed (Impreza WRX STI 2004–06)

Toyota

• Toyota V160 6-Speed (Supra A80 / 2JZ) 6 gears, 3.827 to 0.793

Results are theoretical: stock ratio specs, your inputs, no drivetrain losses. Verify with your drivetrain supplier before spending real money.

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