Bore, stroke, displacement and compression for all 3 Lincoln Modular InTech engines, compared side by side. Plus rod ratio and head specs where published.
| Displacement | 238–281 ci |
|---|---|
| Cylinders | 8 |
| Bore | 3.386–3.551" |
| Stroke | 3.307–3.543" |
| Compression | 9.8–10.5:1 |
| Advertised power | 252–290 hp |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| 4.6 DOHC | 281 ci | 3.5512" × 3.5433" | 9.8:1 | 280 |
| 4.6 DOHC VVT | 281 ci | 3.5512" × 3.5433" | 10:1 | 290 |
| Modular InTech · 3.386" × 3.307" · 10.5:1 | 238 ci | 3.3858" × 3.3071" | 10.5:1 | 252–280 |
Both bore and stroke vary across the family, so these are separate castings rather than variations on one block.
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.