Bore, stroke, displacement and compression for all 4 Pontiac Pontiac 173ci engines. Compare variants side by side.
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| Ponti 1986 173 135HP | 173 ci | 3.5" × 3" | 9:1 | 135 |
| Ponti 1988 173 135HP | 173 ci | 3.5" × 3" | 9.2:1 | 135 |
| Ponti 1989 173 130HP | 173 ci | 3.5" × 3" | 9.1:1 | 130 |
| Ponti 1989 173 135HP | 173 ci | 3.5" × 3" | 9.14:1 | 135 |