Chevrolet 73ci specs: 2.953 x 3.563 in (75 x 90.5 mm) bore and stroke. Displacement, compression and factory ratings, plus rod ratio.
| Displacement | 73 ci |
|---|---|
| Cylinders | 3 |
| Bore | 2.953" |
| Stroke | 3.563" |
| Advertised power | 137 hp |
| Years | 2021–2026 |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| LIH | 73 ci | 2.9528" × 3.563" * | — | 137 |
This family is represented by a single engine in the database: 73 ci, 3 cylinders, a 2.9528" × 3.563" bore and stroke.
All are undersquare — stroke larger than bore, favouring torque low in the range.
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.