Bore, stroke, displacement and compression for all 4 Buick 146ci engines, compared side by side. Plus rod ratio and head specs where published.
| Displacement | 146 ci |
|---|---|
| Cylinders | 4 |
| Bore | 3.543" |
| Stroke | 3.701" |
| Advertised power | 150–182 hp |
| Years | 1996–2017 |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| LAF | 146 ci | — | — | 182 |
| LUK | 146 ci | — | — | 182 |
| LEA | 146 ci | — | — | 182 |
| LD9 | 146 ci | 3.5433" × 3.7008" | — | 150 |
Each engine page carries rod ratio, mean piston speed, bore/stroke character and cylinder head specs where published, and links into the calculators with its dimensions already filled in.