Chevrolet 229ci specs: 3.736 x 3.484 in (94.9 x 88.5 mm) bore and stroke, shared by all 2 versions. Displacement, compression and factory ratings.
| Displacement | 229 ci |
|---|---|
| Cylinders | 6 |
| Bore | 3.736" |
| Stroke | 3.484" |
| Compression | 9.8:1 |
| Advertised power | 110–115 hp |
| Years | 1980–1984 |
| Cylinder head data | 1 of 2 engines |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| LC3 | 229 ci | 3.736" × 3.484" | — | 110 |
| Chevrolet 229ci · 3.736" × 3.484" · 9.79:1 | 229 ci | 3.736" × 3.484" | 9.79:1 | 115 |
All are oversquare — bore larger than stroke, which favours revs over low-end torque.
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.