Ford 272ci specs: 3.625 x 3.30 in (92.1 x 83.8 mm) bore and stroke, shared by all 7 versions. Displacement, compression and factory ratings, plus rod ratio.
| Displacement | 272 ci |
|---|---|
| Cylinders | 8 |
| Bore | 3.625" |
| Stroke | 3.300" |
| Compression | 7.6–8.6:1 |
| Advertised power | 162–190 hp |
| Years | 1955–1958 |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| Ford 272ci · 3.625" × 3.300" · 7.6:1 | 272 ci | 3.625" × 3.3" | 7.6:1 | 162–182 |
| 1956 272 173HP | 272 ci | 3.625" × 3.3" | 8:1 | 173 |
| 1956 272 176HP | 272 ci | 3.625" × 3.3" | 8.4:1 | 176 |
| 1957 272 190HP | 272 ci | 3.625" × 3.3" | 8.6:1 | 190 |
| Power King V-8 | 272 ci | 3.625" × 3.3" | — | 167 |
| Ford 272 V-8 | 272 ci | 3.625" × 3.3" | — | 171 |
| Power King Y-8 | 272 ci | 3.625" × 3.3" | — | 167 |
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.