Acura 223ci specs: 90 x 96 mm (3.5433 x 3.7795 in) bore and stroke. Displacement, compression and factory ratings for each, plus rod ratio and piston speed.
| Displacement | 223 ci |
|---|---|
| Cylinders | 6 |
| Bore | 3.543" |
| Stroke | 3.780" |
| Compression | 11.2:1 |
| Advertised power | 305 hp |
| Years | 2009–2014 |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| J37A4 | 223 ci | 3.5433" × 3.7795" | 11.2:1 | 305 |
This family is represented by a single engine in the database: 223 ci, 6 cylinders, a 3.5433" × 3.7795" 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.