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Toyota 2GR-FE specs: 3.5L (210.9 ci) 6-cylinder, 94 x 83 mm (3.7008 x 3.2677 in) bore and stroke, 10.8:1 compression. Rated 268 hp. DOHC.
The Toyota 2GR-FE is oversquare — the 3.7008" bore exceeds the 3.2677" stroke by 13.3% — a layout that favors airflow and RPM over leverage at the crank. The 3.2677" 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 35.2 ci (576 cc).
10.8:1 on aluminum heads is in the range that usually runs on pump premium; aluminum sheds heat faster than iron, which makes the same number a little more forgiving.
It is one of 11 engines in the GR V6 family, sitting between the 152.5 ci and 241.4 ci members. Factory fitments include the Toyota Camry, Toyota Avalon, Toyota RAV4 and 4 others.
| Displacement | 210.9 ci / 3.5 L |
|---|---|
| Bore | 3.7008" |
| Stroke | 3.2677" |
| Cylinders | 6 |
| Compression ratio | 10.8:1 |
| Bore/stroke ratio | 1.133 |
| Block material | aluminum |
|---|---|
| Head material | aluminum |
| Valvetrain | DOHC |
| Fuel type | gas |
| Advertised HP | 268 hp |
| Bore/stroke character | 1.133 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
|---|---|
| Mean piston speed at 6,000 RPM | 3,268 ft/min — conservative for a street engine |
| Displacement per cylinder | 35.1 ci |
| Static compression | 10.8:1 — in the range that usually runs on pump premium |
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