Young Swiss driver Sébastien Buemi extended his domination of this week's test at Jerez in Spain with the fastest time on Thursday, just edging out his Scuderia Toro Rosso teammate Takuma Sato.
Buemi and Sato beat Heikki Kovalainen of McLaren and Kimi Raikonen of Ferrari.
Most teams worked on assessing the new Bridgestone slick tires and the new, reduced levels of downforce imposed for 2009.
Teams McLaren and BMW-Sauber resumed the development of their KERS systems.
Times* of the 3rd day in Jerez
DRIVERTEAMBESTLAPS
1BUEMIToro Rosso1 :17.258139
2SATOToro Rosso1 :17.520117
3KOVALAINENMcLaren1 :18.04990
4RAIKKONENFerrari1 :18.78282
5MASSAFerrari1 :19.05067
6ALONSORenault 1 :19.319124
7ROSBERGWilliams1 :19.388130
8DE LA ROSAMcLaren1 :19.49947
9KUBICABMW1 :19.559126
10KLIENBMW1 :19.73891
*Unofficial timing
photo:WRI2
Buemi and Sato beat Heikki Kovalainen of McLaren and Kimi Raikonen of Ferrari.
Most teams worked on assessing the new Bridgestone slick tires and the new, reduced levels of downforce imposed for 2009.
Teams McLaren and BMW-Sauber resumed the development of their KERS systems.
Times* of the 3rd day in Jerez
DRIVERTEAMBESTLAPS
1BUEMIToro Rosso1 :17.258139
2SATOToro Rosso1 :17.520117
3KOVALAINENMcLaren1 :18.04990
4RAIKKONENFerrari1 :18.78282
5MASSAFerrari1 :19.05067
6ALONSORenault 1 :19.319124
7ROSBERGWilliams1 :19.388130
8DE LA ROSAMcLaren1 :19.49947
9KUBICABMW1 :19.559126
10KLIENBMW1 :19.73891
*Unofficial timing
photo:WRI2