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Genesis G6DP specs: 3.47L (212.9 ci) 6-cylinder, 92 x 87 mm (3.6220 x 3.4252 in) bore and stroke, 10:1 compression. Rated 375 hp. Rod ratio and piston speed.
The Genesis G6DP is oversquare — the 3.622" bore exceeds the 3.4252" stroke by 5.7% — a layout that favors airflow and RPM over leverage at the crank. The 3.4252" stroke puts mean piston speed at 4,000 ft/min around 7,000 RPM, which is where a production bottom end is generally considered at its limit. Each of the 6 cylinders displaces 35.5 ci (581 cc).
10:1 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.
Factory fitments include the Genesis GV80, Genesis G80, Genesis G90 and 2 others.
| Displacement | 212.9 ci / 3.47 L |
|---|---|
| Bore | 3.622" |
| Stroke | 3.4252" |
| Cylinders | 6 |
| Compression ratio | 10:1 |
| Bore/stroke ratio | 1.057 |
| Block material | aluminum |
|---|---|
| Head material | aluminum |
| Valvetrain | DOHC |
| Fuel type | gas |
| Advertised HP | 375 hp |
| Bore/stroke character | 1.057 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
|---|---|
| Mean piston speed at 6,000 RPM | 3,425 ft/min — conservative for a street engine |
| Displacement per cylinder | 35.5 ci |
| Static compression | 10:1 — in the range that usually runs on pump premium |
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