Mystery Porsche 917 Tribute patents show new “Gran Turismo Sport” addition

Patent drawings of what looked like a production version of Porsche's 917 Tribute from 2019 surfaced online last month. The drawings, which were discovered on the German Patent and Trade Mark Office website, quickly led to rumors that Porsche might build a small run for well-heeled track enthusiasts, just like it did with the modern 935 track car...