Dodge 156ci specs: 3.587 x 3.858 in (91.1 x 98 mm) bore and stroke, shared by all 4 versions. Displacement, compression and factory ratings, plus rod ratio.
| Displacement | 156 ci |
|---|---|
| Cylinders | 4 |
| Bore | 3.587" |
| Stroke | 3.858" |
| Compression | 8.2:1 |
| Advertised power | 92–101 hp |
| Years | 1979–1989 |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| Mitsubishi G54B 2.6 MCA-Jet Silent Shaft | 156 ci | 3.5866" × 3.8583" | 8.2:1 | 92–101 |
| G54B | 156 ci | 3.5866" × 3.8583" | — | — |
| G54B Astron 2.6 Silent Shaft / MCA-Jet | 156 ci | 3.5866" × 3.8583" | 8.2:1 | — |
| G54B 2.6 Silent Shaft | 156 ci | 3.5866" × 3.8583" | — | — |
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.