Bore, stroke, displacement and compression for all 3 Oldsmobile Quad 4 engines. Compare variants side by side.
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| LD9 | 146 ci | 3.5433" × 3.7008" | 9.5:1 | 150 |
| LD2 | 138 ci | 3.622" × 3.3465" | 9.5:1 | 150 |
| Quad 4 · 3.622" × 3.346" · 10:1 | 138 ci | 3.622" × 3.3465" | 10:1 | 180–190 |