Dodge 143ci specs: 3.405 x 3.937 in (86.5 x 100 mm) bore and stroke. Displacement, compression and factory ratings for each, plus rod ratio and piston speed.
| Displacement | 143 ci |
|---|---|
| Cylinders | 4 |
| Bore | 3.405" |
| Stroke | 3.937" |
| Years | 1990–1993 |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| 4G64 | 143 ci | 3.4055" × 3.937" | — | — |
This family is represented by a single engine in the database: 143 ci, 4 cylinders, a 3.4055" × 3.937" bore and stroke.
All are undersquare — stroke larger than bore, favouring torque low in the range.
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.