USC – Porsche at the back of the grid

The Porsche 911 RSR officielles de Makowiecki-Bamber-Bergmeister et Tandy-Pilet-Lietz devront partir du fond de grille à Petit Le Mans after winning the first row at Road Atlanta (Georgia). The chassis had to be changed on the No. 912 following Earl Bamber's exit from the track, while the No. 911 was checked with a non-regulatory ride height. The Corvette of Oliver Gavin and Tommy Milner inherited pole.