 The raised nose also created a safer environment for the driver in the event of a head-on collision with a wall or another car.The driver sat more upright than in the Lola chassis, to reduce the chances of back injuries, and to better accommodate the use of the HANS device.Champ Car used the 2.65L 90° 8-cylinder turbocharged Cosworth XFE as the exclusive engine during the 2007 season.