Peugeot maintained its position at the top of the times in the final free practice session for the Spa 1000km as Stephane Sarrazin set the pace in the No. 2 factory 908 HDi turbo-diesel. The Frenchman was half a second quicker than his compatriot Sebastien Bourdais in the sister No. 3 car.
Audi put in a stronger showing in the Belgian morning sun as Allan McNish closing the gap to the pace-setters to just over a second, despite Team Joest insisting the R15 TDI Plus is running a low-downforce "Le Mans" setup.
Team ORECA was fourth fastest as Olivier Panis and Nicolas Lapierre continued to mix it up with the factory cars in the privateer Peugeot. Mike Rockenfeller put the No. 9 Audi in fifth position ahead of the third factory Peugeot in Alex Wurz's hands.
Jean Christophe Boullion was seventh quickest in the Rebellion Lola, the first of the gasoline runners and nearly four seconds away from Sarrazin's mark.
The No. 8 Audi was eighth fastest after the car spent time in the pits with a diesel filter problem. The sister Rebellion car was ninth, while the Strakka Racing LMP2 Acura completed the top ten in the hands of Danny Watts and Jonny Kane.
The Matach Competition Ford GT was quickest of the GT1 runners in the hands of Thomas Mutsch while Andrew Kirkaldy pushed the CRS Ferrari to the fore in GT2.