Porsche 917/30 5.4L flat 12 twin turbo from 1973. Most powerful prototype engine capable of reaching 1580hp at 2.7bar of boost. 0-100 2.3 sec. Max speed 400km/h - 9GAG
Porsche 917 – Wikipedia
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Porsche 917 - Wikipedia
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Porsche 917 - Wikipedia
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390 Porsche 917 Bilder und Fotos - Getty Images
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![Pedro Rodríguez and Jo Siffert: parallel journeys at the 24 Hours of Le Mans [2/2] | 24h-lemans.com](https://www.lemans.org/assets/fileuploads/61/56/6156d22ecaf20.jpg "Pedro Rodríguez and Jo Siffert: parallel journeys at the 24 Hours of Le Mans [2/2] | 24h-lemans.com")