Porsche 935
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The Porsche 935 is a race car that was developed and manufactured by German automaker Porsche. Introduced in 1976 as the factory racing version of the 911 (930) Turbo and prepared for FIA-Group 5 rules, it was an evolution of the Carrera RSR 2.1 turbo prototype, the second place overall finisher in the 1974 24 Hours of Le Mans.
Porsche 935 K3 in the "Jägermeister" livery for the DRM.
An early 935 at Silverstone 6 Hours in 1976 before receiving the slant nose treatment.
Porsche 935/77
The 935/77A of Georg Loos driven by Rolf Stommelen in the 1977 1000km Nürburgring
Twin-turbo
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In an internal combustion engine, twin-turbo is a layout in which two turbochargers work in tandem to compress the intake fuel/air mixture. The most common layout features two identical or mirrored turbochargers in parallel, each processing half of a V engine's produced exhaust through independent piping. The two turbochargers can either be matching or different sizes.
Chevrolet big-block V8 engine with parallel twin-turbos
Porsche 935 flat-six engine with parallel twin-turbos
Series Compound Twin Turbo Diagram
Series Staged Compound Twin Turbo Diagram