Pontiac 370ci specs: 4.063 x 3.563 in (103.2 x 90.5 mm) bore and stroke. Displacement, compression and factory ratings, plus rod ratio.
| Displacement | 370 ci |
|---|---|
| Cylinders | 8 |
| Bore | 4.063" |
| Stroke | 3.563" |
| Compression | 8.6:1 |
| Advertised power | 240 hp |
| Years | 1958 |
| Cylinder head data | 1 of 1 engines |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| Pontiac 370ci · 4.063" × 3.563" · 8.6:1 | 370 ci | 4.063" × 3.563" | 8.6:1 | 240 |
This family is represented by a single engine in the database: 370 ci, 8 cylinders, a 4.063" × 3.563" bore and stroke.
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.