On the second day of the team's three day test, the Toro Rosso drivers swapped cars to evaluate various aerodynamic components, while continuing to develop the electronic systems in line with the 2008 regulations and the modified gearbox.
German Seb also evaluated three different brake materials, while French Seb focused on developing the gearbox controls, designed to last four races.
Towards the end of today's session both Sebastiæns completed a series of long runs to simulate race conditions. More are scheduled for tomorrow to progress with developments for 2008 and to improve reliability.
Driver: Sebastian Vettel Best time: 1:20.305 86 laps Pos. 7th
Driver: Sebastien Bourdais Best time: 1:20.346 76 laps Pos. 8th