Bore, stroke, displacement and compression for the Ford 420ci. Plus rod ratio, mean piston speed and cylinder head specs where published. Free, no signup.
| Displacement | 420 ci |
|---|---|
| Cylinders | 8 |
| Advertised power | 170 hp |
| Years | 1983–1987 |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| 6.9L diesel | 420 ci | — | — | 170 |
This family is represented by a single engine in the database: 420 ci, 8 cylinders.
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.