From Engineering Explained.
The Porsche 911 Turbo was the first gas car to use variable geometry turbos!
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How Porsche perfected turbochargers: the Porsche 911 Turbo did it first! Variable geometry turbos were first used on diesel engines, starting in 1997. But it took nearly a decade to get them fitted to a gasoline engine. In 2006, the 997 Porsche Turbo was the first gasoline production car fitted with variable turbine geometry turbos!
In this video we’ll talk about the problem with turbochargers, the various solutions out there, how variable geometry turbos fit into this, why VTG turbos are rare, and details of Porsche’s new 911 Turbo S 3.7L boxer engine. It’s producing 640 HP and 590 lb-ft, thanks to two variable geometry turbos. Enjoy the video for all the details!l
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