Ferrari [ Images ] dominated French Grand Prix [ Images ] free practice on Friday with Felipe Massa [ Images ] and Kimi Raikkonen [ Images ] reviving the Italian team's hopes of ending McLaren's [ Images ] winning streak.
Finland's Raikkonen, off the podium in his last four races, beat Massa in the first session while the Brazilian led a Ferrari one-two at the top of the timesheets in the second on an overcast afternoon at Magny-Cours.
Ferrari-powered cars filled four of the top five slots in the afternoon, with Toro Rosso's American Scott Speed a surprising third-quickest and Italian team mate Vitantonio Liuzzi fifth.
Championship leader Lewis Hamilton [ Images ] suffered a rare mechanical setback in the morning when his McLaren's engine protection system clicked in and forced him to park by the side of the track.
But the 22-year-old rookie, chasing a hat-trick of wins on Sunday after his victories in Canada [ Images ] and the United States, was still fourth-fastest in the afternoon.
The Briton, whose team boast 100 percent reliability in races so far, is also hoping for an eighth podium appearance in a row.
Double world champion Fernando Alonso [ Images ] of Spain, 10 points adrift of team mate Hamilton after seven races, went off into the gravel three times in the second session and ended up eighth-quickest with a time half a second slower than Massa.
Britain's David Coulthard [ Images ], the last McLaren driver to win at Magny-Cours in 2000, was fifth on the timesheets for Renault-powered Red Bull in the morning and sixth in the afternoon.
Ferrari are 35 points behind McLaren in the constructors' championship and have not won a race since Massa led from pole position in Spain on May 13.