Visually it resembles a snail’s shell, but it makes engines move a lot faster than that! Since the early seventies, Porsche has put its trust in turbochargers as a means of increasing performance. In 1973 the technology passed its motorsport baptism of fire with flying colors on board the powerful 917/30: with over 809 kW (1,100 hp), the open two-seater left its opponents in the North American CanAm racing series far behind. Just one year later, the technology—unique among sports…
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