The Porsche Penske Motorsport team has made big progress on the way to the first race outings of the Porsche 963. During the two-day test drives at the Daytona International Speedway in the US state of Florida, the brand-new LMDh prototype lapped the combination of the oval and twisty infield a total of 397 times.
Source: https://newsroom.porsche.com/e…ional-speedway-29700.html