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Dodge 6.2L Hemi Supercharged (Redeye) specs: 376 ci (6.2L) 8-cylinder, 4.091 x 3.579 in (103.9 x 90.9 mm) bore and stroke, 10.8:1 compression. Rated 797 hp.
The Dodge 6.2L Hemi Supercharged (Redeye) is oversquare — the 4.0906" bore exceeds the 3.5787" stroke by 14.3% — a layout that favors airflow and RPM over leverage at the crank. The 3.5787" stroke puts mean piston speed at 4,000 ft/min around 6,700 RPM, which is where a production bottom end is generally considered at its limit. Each of the 8 cylinders displaces 47.0 ci (770 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 16 engines in the Gen III Hemi family, sitting between the 345 ci and 392 ci members. Factory fitments include the Dodge Challenger SRT Hellcat Redeye, Dodge Charger SRT Hellcat Redeye.
| Displacement | 376 ci / 6.2 L |
|---|---|
| Bore | 4.0906" |
| Stroke | 3.5787" |
| Cylinders | 8 |
| Compression ratio | 10.8:1 |
| Bore/stroke ratio | 1.143 |
| Block material | cast iron |
|---|---|
| Head material | aluminum |
| Valvetrain | OHV |
| Fuel type | gas |
| Advertised HP | 797 hp |
| Bore/stroke character | 1.143 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
|---|---|
| Mean piston speed at 6,000 RPM | 3,579 ft/min — in the range typical of performance street engines |
| Displacement per cylinder | 47.0 ci |
| Static compression | 10.8:1 — in the range that usually runs on pump premium |
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