Datsun Z-Car Transmissions and
Differential Ratios, and Resulting Final Drive
Transmission Differential Ratios
Car Model Model Gear Ratio 3.364 3.545 3.700 3.900 4.110 4.375 4.625
280Z&79ZXFS5W71B 1st 3.321 11.17 11.77 12.29 12.95 13.65 14.53 15.36
280Z&79ZXFS5W71B 2nd 2.077 6.99 7.36 7.68 8.10 8.54 9.09 9.61
280Z&79ZXFS5W71B 3rd 1.308 4.40 4.64 4.84 5.10 5.38 5.72 6.05
280Z&79ZXFS5W71B 4th 1.000 3.36 3.55 3.70 3.90 4.11 4.38 4.63
280Z&79ZXFS5W71B 5th 0.864 2.91 3.06 3.20 3.37 3.55 3.78 4.00
80 ZX 5th 0.773 2.60 2.74 2.86 3.01 3.18 3.38 3.58
81 & 82 ZX 2nd 1.858 6.25 6.59 6.87 7.25 7.64 8.13 8.59
81 & 82 ZX 5th 0.745 2.51 2.64 2.76 2.91 3.06 3.26 3.45
240Z-4Spd F4W71A 1st 3.549 11.94 12.58 13.13 13.84 14.59 15.53 16.41
240Z-4Spd F4W71A 2nd 2.197 7.39 7.79 8.13 8.57 9.03 9.61 10.16
240Z-4Spd F4W71A 3rd 1.420 4.78 5.03 5.25 5.54 5.84 6.21 6.57
240Z-4Spd F4W71A 4th 1.000 3.36 3.55 3.70 3.90 4.11 4.38 4.63
260Z-4Spd F4W71B 1st 3.592 12.08 12.73 13.29 14.01 14.76 15.72 16.61
260Z-4Spd F4W71B 2nd 2.246 7.56 7.96 8.31 8.76 9.23 9.83 10.39
260Z-4Spd F4W71B 3rd 1.415 4.76 5.02 5.24 5.52 5.82 6.19 6.54
260Z-4Spd F4W71B 4th 1.000 3.36 3.55 3.70 3.90 4.11 4.38 4.63
240Z&260Z FS5C71A 1st 2.957 9.95 10.48 10.94 11.53 12.15 12.94 13.68
240Z&260Z FS5C71A 2nd 1.857 6.25 6.58 6.87 7.24 7.63 8.12 8.59
240Z&260Z FS5C71A 3rd 1.311 4.41 4.65 4.85 5.11 5.39 5.74 6.06
240Z&260Z FS5C71A 4th 1.000 3.36 3.55 3.70 3.90 4.11 4.38 4.63
240Z&260Z FS5C71A 5th 0.852 2.87 3.02 3.15 3.32 3.50 3.73 3.94
260Z 2+2 FS5C71A 1st 2.906 9.78 10.30 10.75 11.33 11.94 12.71 13.44
260Z 2+2 FS5C71A 2nd 1.902 6.40 6.74 7.04 7.42 7.82 8.32 8.80
260Z 2+2 FS5C71A 3rd 1.308 4.40 4.64 4.84 5.10 5.38 5.72 6.05
260Z 2+2 FS5C71A 4th 1.000 3.36 3.55 3.70 3.90 4.11 4.38 4.63
260Z 2+2 FS5C71A 5th 0.864 2.91 3.06 3.20 3.37 3.55 3.78 4.00
Automatic 3N71B 1st 2.458 8.27 8.71 9.09 9.59 10.10 10.75 11.37
Automatic 3N71B 2nd 1.458 4.90 5.17 5.39 5.69 5.99 6.38 6.74
Automatic 3N71B 3rd 1.000 3.36 3.55 3.70 3.90 4.11 4.38 4.63
Data compiled from:
Haynes manual #206, 240Z, 260Z and 280Z
Datsun Competition Parts Catalog
Ratio R180 R200
3.360 1970-74 240-260 280ZX 6/78-7/79
Maxima Sedan, Auto. 280ZX Auto. & Turbos
3.540 240-280ZX Auto. 280Z Manual
Maxima Sedan, Man. 280ZX Turbos
3.700 810 Sedan 280ZX Man. 6/78-6/79
300ZX All
3.900 720 4x4 1/83-6/83 280ZX N/T 1980-83
200SX Turbo 1984, V6
4.111 720 4x4 6/83-12/85 200SX Turbo 1985-6
200SX N/T 1984-88
4.375 720 4x4 6/79-12/82 Not Available
4.625 720 4x4 Long Bed Not Available