| Year / Model | Ratio |
| 79-82 | 3.909 |
| 83-84 12A | 3.933 |
| 84-85 13B GSLSE | 4.076 |
| 85 12A | 3.909 |
| 86-88 5-spd All | 4.10 |
| 86-88 Automatic | 3.909 |
| 89-92 Turbo | 4.10 |
| 89-92 non-turbo, non LSD | 4.10 |
| 89-90 non-turbo, viscous LSD, “GTUs” only | 4.30 |
| 93-95 w/manual trans | 4.10 |
| 93-95 w/automatic trans | 3.909 |
