Engine Specifications
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| Engine specifications | 997 GT3 | 997 GT3 RS |
|---|---|---|
| Engine type | M97/77 | M97/77 R |
| No. of cylinders | 6 | |
| Displacement | 3, 797 cm3 | |
| Bore | 102.70 mm | |
| Stroke | 76.4 mm | |
| Compression ratio | 12.0: 1 (-0.6) | |
| Max. engine power (EU) | 320 kW (435 hp) 331 kW (450 hp) | |
| At engine speed | 7, 600 RPM | 7, 900 RPM |
| Max. torque (EU) | 430 Nm (318 ft. lb.) | |
| At engine speed | 6, 250 RPM | 6, 750 RPM |
| Max. output per litre | 84.2 kW/l (114.5 hp/l) | 87.1 kW/l (118.4 hp/l) |
| RPM limitation | Electronic throttle and fuel cutoff (hard) | |
| Maximum engine speed, RPM limitation | 8, 500 RPM | |
| Idle speed | 720 ± 40 l/min | |
| Engine weight according to DIN 70020 A | 181 kg | 182.5 kg |