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=== Rear Springs ===  Here you will find the Color Codes and rates for the Stock Rear Springs installed in the Z31 Chassis. | # | Color Code (Top / Bottom) | Wire Dia. (mm/in) | Coil Dia. (mm/in) | Free Length (mm/in) | Spring Rate N/mm (kg/mm) [lb/in] | |---|---|---|---|---|---| | 1 | 1 Red / 2 Yellow | 12.8 / 0.504 | 110 / 4.33 | 364 / 14.33 | 24.5 (2.5) [140] | | 2 | 1 Yellow / 2 Yellow | 13.0 / 0.512 | 110 / 4.33 | 370 / 14.57 | 24.5 (2.5) [140] | | 3 | 1 White / 2 White | 13.0 / 0.512 | 110 / 4.33 | 376 / 14.80 | 24.5 (2.5) [140] | | 4 | 1 Red / 2 White | 13.2 / 0.520 | 110 / 4.33 | 382 / 15.04 | 24.5 (2.5) [140] | | 5 | 1 Red / 2 White | 13.2 / 0.520 | 111.2 / 4.38 | 382 / 15.04 | 24.5 (2.5) [140] | | 6 | 1 White / 2 Yellow | 13.0 / 0.512 | 110 / 4.33 | 376 / 14.80 | 24.5 (2.5) [140] | | 7 | 1 White / 2 Yellow | 13.2 / 0.520 | 110 / 4.33 | 376 / 14.80 | 24.5 (2.5) [140] | | 8 | 1 Purple / 2 Yellow | 13.8 / 0.543 | 110 / 4.33 | 336.5 / 13.25 | 33.0 (3.36) [188.2] | | 9 | 1 White / 2 Yellow | 13.0 / 0.512 | 111.0 / 4.37 | 376 / 14.80 | 24.5 (2.5) [140] | | 10 | 1 Purple / 2 Yellow | 13.8 / 0.543 | 111.8 / 4.40 | 336.5 / 13.25 | 33.0 (3.36) [188.2] | | 11 | 1 Green / 2 Yellow | 13.3 / 0.524 | 111.3 / 4.38 | 388 / 15.28 | 24.5 (2.5) [140] | | 12 | 1 Pink / 2 White | 13.8 / 0.543 | 111.8 / 4.40 | 341.0 / 13.43 | 33.0 (3.36) [188.2] | | 13 | 1 White / 1 Purple | 13.5 / 0.531 | 110.0 / 4.33 | 317.0 / 12.48 | 39.2 (4.0) [224] | Standard spring rates are '''24.5 N/mm (2.5 kg/mm or 140 lb/in)''' unless noted. Shorter/stronger springs are for sportier applications. Color codes are marked on the coil (top / bottom). The below table will show you what models had what rear springs installed from the factory. | Spring Code | Year | Number of Seats | Model Trim | Roof Type | Engine | |---|---|---|---|---|---| | 1 | 1984 | 2 | GL | Hard Top | Non - Turbo | | 1 | 1984 | All | GL | All | Turbo | | 2 | 1984 | 2 | GL | T-Top | Non - Turbo | | 2 | 1984 | 4 | GL | All | Non - Turbo | | 2 | 1984 | All | GLL | All | Turbo | | 3 | 1984 | 4 | GLL | T-Top | Non - Turbo | | 4 | 1985 | 4 | GLL | T-Top | Non - Turbo | | 4 | 1985 - 1986 | 2 | GLL | T-Top | Non - Turbo | | 5 | 1987 - 1989 | All | GL | T-Top | Non - Turbo | | 6 | 1985 | All | GLL | All | Turbo | | 6 | 1985 - 1986 | All | GL | T-Top | Non - Turbo | | 6 | 1986 | 2 | GL | Hardtop | Non - Turbo | | 7 | 1986 | 4 | GLL | T-Top | Non - Turbo | | 8 | 1984 | 2 | 50th AE | T-Top | Turbo | | 8 | 1986 | All | All | All | Turbo | | 9 | 1987 - 1989 | 2 | GL | Hardtop | Non - Turbo | | 10 | 1987 - 1989 | All | GL | All | Turbo | | 11 | 1987 - 1989 | All | GLL | T-Top | Non - Turbo | | 12 | 1987 - 1989 | All | GLL | All | Turbo | | 13 | 1988 | 2 | Shiro | T-Top | Turbo |
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