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Lincoln 2.7L EcoBoost specs: 164 ci (2.7L) 6-cylinder, 3.268 x 3.272 in (83 x 83.1 mm) bore and stroke. Rated 325 hp, 2015–2026. Used in the Ford F-150. DOHC.
The Lincoln 2.7L EcoBoost is close to square: 3.2677" bore against 3.2717" stroke, within 0.1%, which splits the difference between a high-revving layout and a torque layout. The 3.2717" stroke does not reach 4,000 ft/min of mean piston speed until about 7,350 RPM, so piston speed is not what limits this engine's revs — valvetrain and breathing are. Each of the 6 cylinders displaces 27.3 ci (448 cc).
It is one of 10 engines in the EcoBoost family, sitting between the 122 ci and 213 ci members. 12 factory variants share these dimensions, rated at 325 hp across 2015–2026.
| Displacement | 164 ci / 2.7 L |
|---|---|
| Bore | 3.2677" |
| Stroke | 3.2717" |
| Cylinders | 6 |
| Configuration | V6 |
| Bore/stroke ratio | 0.999 |
| Block material | compacted graphite iron |
|---|---|
| Head material | aluminum |
| Valvetrain | DOHC |
| Fuel type | gas |
| Advertised HP | 325 hp |
| Years | 2015–2026 |
| Bore/stroke character | 0.999 — square — bore and stroke are within 5%, a balanced compromise |
|---|---|
| Mean piston speed at 6,000 RPM | 3,272 ft/min — conservative for a street engine |
| Displacement per cylinder | 27.3 ci |
Each link opens the calculator with this engine's specs already filled in.
These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.
| Year | Advertised HP | Code |
|---|---|---|
| 2015 | 325 hp | 2.7L EcoBoost |
| 2016 | 325 hp | 2.7L EcoBoost |
| 2017 | 325 hp | 2.7L EcoBoost |
| 2018 | 325 hp | 2.7L EcoBoost |
| 2019 | 325 hp | 2.7L EcoBoost |
| 2020 | 325 hp | 2.7L EcoBoost |
| 2021 | 325 hp | 2.7L EcoBoost |
| 2022 | 325 hp | 2.7L EcoBoost |
| 2023 | 325 hp | 2.7L EcoBoost |
| 2024 | 325 hp | 2.7L EcoBoost |
| 2025 | 325 hp | 2.7L EcoBoost |
| 2026 | 325 hp | 2.7L EcoBoost |