Dodge 241ci specs: 3.438 x 3.25 in (87.3 x 82.6 mm) bore and stroke, shared by all 2 versions. Displacement, compression and factory ratings, plus rod ratio.
| Displacement | 241 ci |
|---|---|
| Cylinders | 8 |
| Bore | 3.438" |
| Stroke | 3.250" |
| Compression | 7.1–7.5:1 |
| Advertised power | 140–150 hp |
| Years | 1953–1954 |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| 1953 241 140HP | 241 ci | 3.4375" × 3.25" | 7.1:1 | 140 |
| 1954 241 150HP | 241 ci | 3.4375" × 3.25" | 7.5:1 | 150 |
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.