| Model year | Suspension RPO | Front Spring Rate (N/mm) | Rear Spring Rate (N/mm) | Front Wheel Rate (N/mm) | Rear Wheel Rate (N/mm) | Front Anti-roll bar dia. (mm) | Rear Anti-roll bar dia. (mm) | Wheels (in * in * mm offset) Front | Wheels (in * in * mm offset) Rear | Front Tire Size | Rear Tire Size | Shocks | Front Lower Bushings |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1984 | |||||||||||||
| FE1 | 63.5 | 72.0 | 21.5 | 28.6 | 24 S | 20 S | 15x7x17 16x8.5x32 | 15x7x17 16x8.5x32 | 215/65R15 255/50VR16 | 215/65R15 255/50VR16 | 1 | N | |
| Z51 | 102.0 | 87.5 | 28.6 | 37.5 | 25 S | 23 S | 16x8.5x32 | 16x9.5x38 | 255/50VR16 | 255/50VR16 | 1/4 | HD | |
| 1985 | |||||||||||||
| FE1 | 54.0 | 39.9 | 17.5 | 24.1 | 24 S | 20 S | 16x8.5x32 | 16x8.5x32 | 255/50VR16 | 255/50VR16 | 1/3 | N | |
| Z51 | 63.5 | 57.2 | 26.0 | 30.6 | 30 S | 24 S | 16x9.5x38 | 16x9.5x38 | 255/50VR16 | 255/50VR16 | 1/4 | HD | |
| 1986 | |||||||||||||
| CPE FE1 | 51.8 | 39.9 | 18.0 | 24.1 | 26 T | 20 S | 16x8.5x32 | 16x8.5x32 | 255/50VR16 | 255/50VR16 | 1/3 | N | |
| Z51 | 66.5 | 57.2 | 26.0 | 30.6 | 30 S | 22 S | 16x9.5x38 | 16x9.5x38 | 255/50VR16 | 255/50VR16 | 4 | HD | |
| CNV FE1 | 54.4 | 39.9 | 19.0 | 24.1 | 26 T | 19 S | 16x8.5x32 | 16x8.5x32 | 255/50VR16 | 255/50VR16 | 2/3 | N | |
| 1987 | |||||||||||||
| CPE FE1 | 51.8 | 39.9 | 18.0 | 24.1 | 26 T | 20 S | 16x8.5x32 | 16x8.5x32 | 255/50VR16 | 255/50VR16 | 1/3 | N | |
| Z52 | 51.8 | 39.9 | 18.0 | 24.1 | 30 S | 20 S | 16x9.5x38 | 16x9.5x38 | 255/50VR16 | 255/50VR16 | 3 | N | |
| Z51 | 66.5 | 57.2 | 26.0 | 30.6 | 30 S | 22 S | 16x9.5x38 | 16x9.5x38 | 255/50VR16 | 255/50VR16 | 4 | HD | |
| CNV FE1 | 54.4 | 39.9 | 19.0 | 24.1 | 26 T | 19 S | 16x8.5x32 | 16x8.5x32 | 255/50VR16 | 255/50VR16 | 2/3 | N | |
| Z52 | 54.4 | 39.9 | 19.0 | 24.1 | 26 T | 20 S | 16x9.5x38 | 16x9.5x38 | 255/50VR16 | 255/50VR16 | 3 | N | |
| 1988 | |||||||||||||
| CPE FE1 | 93.1 | 39.9 | 26.7 | 25.7 | 26 T | 22 S | 16x8.5x50 | 16x8.5x50 | 255/50ZR16 | 255/50ZR16 | 1/3 | N | |
| Z52 | 93.1 | 39.9 | 26.7 | 25.7 | 26 T | 22 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 3 | N | |
| Z51 | 115.5 | 57.2 | 30.8 | 33.5 | 30 S | 24 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 4 | HD | |
| CNV FE1 | 93.1 | 39.9 | 26.7 | 25.7 | 26 T | 22 S | 16x8.5x50 | 16x8.5x50 | 255/50ZR16 | 255/50ZR16 | 2 | N | |
| Z52 | 93.1 | 39.9 | 26.7 | 25.7 | 26 T | 22 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 3 | N | |
| 1989 | |||||||||||||
| CPE FE1 | 93.1 | 39.9 | 26.7 | 25.7 | 26 T | 22 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 3 | N | |
| FX3 | 93.1 | 39.9 | 26.7 | 25.7 | 26 T | 22 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 5 | N | |
| Z51 | 115.5 | 57.2 | 30.8 | 33.5 | 30 S | 24 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 4 | HD | |
| R9G | 115.5 | 57.2 | 30.8 | 33.5 | 30 S | 24 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 5 | HD | |
| CNV FE1 | 93.1 | 39.9 | 26.7 | 25.7 | 26 T | 22 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 3 | N | |
| FX3* | 93.1 | 39.9 | 26.7 | 25.7 | 26 T | 22 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 5 | N | |
| 1990 | |||||||||||||
| CPE FE1 | 93.1 | 39.9 | 26.7 | 25.7 | 26 T | 24 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 3 | N | |
| FX3 | 93.1 | 39.9 | 26.7 | 25.7 | 26 T | 24 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 5 | N | |
| ZR-1 | 96.2 | 39.9 | 27.1 | 25.7 | 26 T | 26 S | 17x9.5x56 | 17x11x36 | 275/40ZR17 | 315/35ZR17 | 5 | N | |
| Z51 | 115.5 | 57.2 | 30.8 | 33.5 | 30 S | 26 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 4 | HD | |
| R9G | 115.5 | 57.2 | 30.8 | 33.5 | 30 S | 26 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 5 | HD | |
| CNV FE1 | 93.1 | 39.9 | 26.7 | 25.7 | 26 T | 24 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 3 | N | |
| FX3 | 93.1 | 39.9 | 26.7 | 25.7 | 26 T | 24 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 5 | N | |
| 1991 | |||||||||||||
| CPE FE1 | 93.1 | 39.9 | 26.7 | 25.7 | 26 T | 24 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 3 | N | |
| FX3 | 93.1 | 39.9 | 26.7 | 25.7 | 26 T | 24 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 5 | N | |
| ZR-1 | 96.2 | 39.9 | 27.1 | 25.7 | 26 T | 26 S | 17x9.5x56 | 17x11x36 | 275/40ZR17 | 315/35ZR17 | 5 | N | |
| Z07 | 115.5 | 57.2 | 30.8 | 33.5 | 30 S | 26 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 5 | HD | |
| CNV FE1 | 93.1 | 39.9 | 26.7 | 25.7 | 26 T | 24 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 3 | N | |
| FX3 | 93.1 | 39.9 | 26.7 | 25.7 | 26 T | 24 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 5 | N | |
| 1992 | |||||||||||||
| CPE FE1 | 73.2 | 39.9 | 23.9 | 25.7 | 26 T | 22 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 3 | N | |
| FX3 | 73.2 | 39.9 | 23.9 | 25.7 | 26 T | 22 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 5 | N | |
| ZR-1 | 75.4 | 33.0 | 25.4 | 22.6 | 26 T | 26 S | 17x9.5x56 | 17x11x36 | 275/40ZR17 | 315/35ZR17 | 5 | N | |
| Z07 | 90.1 | 57.2 | 29.4 | 33.5 | 30 S | 24 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 5 | HD | |
| CNV FE1 | 73.2 | 39.9 | 23.9 | 25.7 | 26 T | 22 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 3 | N | |
| FX3 | 73.2 | 39.9 | 23.9 | 25.7 | 26 T | 22 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 5 | N | |
| 1993 | |||||||||||||
| CPE FE1 | 73.2 | 39.9 | 23.9 | 25.7 | 26 T | 24 S | 17x8.5x56 | 17x9.5x56 | 255/45ZR17 | 285/40ZR17 | 3 | N | |
| FX3 | 73.2 | 39.9 | 23.9 | 25.7 | 26 T | 24 S | 17x8.5x56 | 17x9.5x56 | 255/45ZR17 | 285/40ZR17 | 5 | N | |
| ZR-1 | 75.4 | 33.0 | 25.4 | 22.6 | 26 T | 26 S | 17x9.5x56 | 17x11x36 | 275/40ZR17 | 315/35ZR17 | 5 | N | |
| Z07 | 90.1 | 57.2 | 29.4 | 33.5 | 30 S | 24 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 5 | HD | |
| CNV FE1 | 73.2 | 39.9 | 23.9 | 25.7 | 26 T | 24 S | 17x8.5x56 | 17x9.5x56 | 255/45ZR17 | 285/40ZR17 | 3 | N | |
| FX3 | 73.2 | 39.9 | 23.9 | 25.7 | 26 T | 24 S | 17x8.5x56 | 17x9.5x56 | 255/45ZR17 | 285/40ZR17 | 5 | N | |
| 1994 | |||||||||||||
| CPE FE1 | 73.2 | 39.9 | 23.9 | 25.7 | 26 T | 24 S | 17x8.5x56 | 17x9.5x56 | 255/45ZR17E | 285/40ZR17E | 9 | N | |
| FX3 | 60.0 | 26.0 | 19.0 | 18.0 | 26 T | 24 S | 17x8.5x56 | 17x9.5x56 | 255/45ZR17E | 285/40ZR17E | 5 | N | |
| ZR-1 | 75.4 | 33.0 | 25.4 | 22.6 | 26 T | 26 S | 17x9.5x56 | 17x11x36 | 275/40ZR17 | 315/35ZR17 | 5 | N | |
| Z07 | 90.1 | 57.2 | 29.4 | 33.5 | 30 S | 24 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 5 | HD | |
| CNV FE1 | 73.2 | 39.9 | 23.9 | 25.7 | 26 T | 24 S | 17x8.5x56 | 17x9.5x56 | 255/45ZR17E | 285/40ZR17E | 3 | N | |
| FX3 | 60.0 | 26.0 | 19.0 | 18.0 | 26 T | 24 S | 17x8.5x56 | 17x9.5x56 | 255/45ZR17E | 285/40ZR17E | 5 | N | |
| 1995 | |||||||||||||
| CPE FE1 | 73.2 | 39.9 | 23.9 | 25.7 | 26 T | 24 S | 17x8.5x56 | 17x9.5x56 | 255/45ZR17E | 285/40ZR17E | 9 | N | |
| FX3 | 60.0 | 26.0 | 19.0 | 18.0 | 26 T | 24 S | 17x8.5x56 | 17x9.5x56 | 255/45ZR17E | 285/40ZR17E | 5 | N | |
| ZR-1 | 75.4 | 33.0 | 25.4 | 22.6 | 26 T | 26 S | 17x9.5x56 | 17x11x36 | 275/40ZR17 | 315/35ZR17 | 5 | N | |
| Z07 | 90.1 | 57.2 | 29.4 | 33.5 | 30 S | 24 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 5 | HD | |
| CNV FE1 | 60.0 | 26.0 | 19.0 | 18.0 | 26 T | 24 S | 17x8.5x56 | 17x9.5x56 | 255/45ZR17E | 285/40ZR17E | 6 | N | |
| FX3 | 60.0 | 26.0 | 19.0 | 18.0 | 26 T | 24 S | 17x8.5x56 | 17x9.5x56 | 255/45ZR17E | 285/40ZR17E | 5 | N | |
| 1996 | |||||||||||||
| CPE FE1 | 60.0 | 26.0 | 19.0 | 18.0 | 26 T | 24 S | 17x8.5x56 | 17x9.5x56 | 255/45ZR17E | 285/40ZR17E | 9 | N | |
| FE1/Z16 | 60.0 | 26.0 | 19.0 | 18.0 | 26 T | 26 S | 17x9.5x56 | 17x11x50 | 275/40ZR17 | 315/35ZR17 | 3 | N | |
| F45 | 60.0 | 26.0 | 19.0 | 18.0 | 26 T | 24 S | 17x8.5x56 | 17x9.5x56 | 255/45ZR17E | 285/40ZR17E | 7 | N | |
| F45/Z16 | 60.0 | 26.0 | 19.0 | 18.0 | 26 T | 26 S | 17x9.5x56 | 17x11x50 | 275/40ZR17 | 315/35ZR17 | 7 | N | |
| Z51 | 73.2 | 33.0 | 23.9 | 25.7 | 26 T | 24 S | 17x9.5x56 | 17x9.5x56 | 275/40ZR17 | 275/40ZR17 | 10 | HD | |
| Z51/Z16 | 73.2 | 33.0 | 23.9 | 25.7 | 26 T | 26 S | 17x9.5x56 | 17x11x50 | 275/40ZR17 | 315/35ZR17 | 10 | HD | |
| CNV FE1 | 73.2 | 39.9 | 23.9 | 25.7 | 24 T | 24 S | 17x8.5x56 | 17x9.5x56 | 255/45ZR17E | 285/40ZR17E | 6 | N | |
| F45 | 73.2 | 39.9 | 23.9 | 25.7 | 24 T | 24 S | 17x8.5x56 | 17x9.5x56 | 255/45ZR17E | 285/40ZR17E | 8 | N |