Porsche 930-inspired Singer Turbo Study spotted at the ‘Ring

California Porsche tuner Singer Vehicle Design in 2022 revealed the Turbo Study inspired by the Porsche 930, which was the original 911 Turbo built from 1975 to 1989. Now the company has been spotted testing an example at the Nürburgring, giving us a glimpse of what the car is like when driven on a racetrack. It isn’t clear what Singer was…