Cadillac 390 Series specs: 4.00 x 3.874 in (101.6 x 98.4 mm) bore and stroke. Displacement, compression and factory ratings, plus rod ratio.
| Displacement | 390 ci |
|---|---|
| Cylinders | 8 |
| Bore | 4.000" |
| Stroke | 3.874" |
| Compression | 10.5:1 |
| Advertised power | 325 hp |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| 390 | 390 ci | 4" × 3.874" | 10.5:1 | 325 |
This family is represented by a single engine in the database: 390 ci, 8 cylinders, a 4" × 3.874" bore and stroke.
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.