Nissan 146ci specs: 89 x 96 mm (3.5040 x 3.7800 in) bore and stroke, shared by all 3 versions. Displacement, compression and factory ratings, plus rod ratio.
| Displacement | 146 ci |
|---|---|
| Cylinders | 4 |
| Bore | 3.504" |
| Stroke | 3.780" |
| Compression | 8.9:1 |
| Advertised power | 135–155 hp |
| Years | 1989–1998 |
| Cylinder head data | 1 of 3 engines |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| Nissan 146ci (1993) · 135 hp | 146 ci | 3.504" × 3.78" | 8.9:1 | 135 |
| KA24E | 146 ci | 3.504" × 3.78" | — | 140 |
| KA24DE | 146 ci | 3.504" × 3.78" | — | 155 |
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.