MG 110ci specs: 80.3 x 88.9 mm (3.1600 x 3.5000 in) bore and stroke, shared by all 3 versions. Displacement, compression and factory ratings, plus rod ratio.
| Displacement | 110 ci |
|---|---|
| Cylinders | 4 |
| Bore | 3.160" |
| Stroke | 3.500" |
| Compression | 8.0–8.8:1 |
| Years | 1963–1980 |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| 18G / 18GA / 18GB | 110 ci | 3.16" × 3.5" | 8.8:1 | — |
| 18GK / 18V | 110 ci | 3.16" × 3.5" | — | — |
| 18V | 110 ci | 3.16" × 3.5" | 8:1 | — |
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.