Mike Conway, in the #7 Toyota Gazoo Racing, set a 1:56.172 lap, over two seconds faster than the best time set in the morning session and six tenths ahead of stablemate #8 Toyota Gazoo Racing in the second 90-minute practice session.
Fernando Alonso in the sister car, he is sharing with Kazuki Nakajima and Sebastien Buemi, was quickest in the FP1 session earlier in the day.
The best lap time for the LMP1 non-Hybrid entry was set by the #10 DragonSpeed car as Pietro Fittipaldi sets impressive 1:58.835s lap as he makes his WEC debut. However the best time of the day went to the #3 Rebellion Racing R13 with a 1:58.392 in the morning session, compared to a 1:59.011 in the afternoon, which was good enough for 4thoverall in FP2.
There was drama for ByKolles as Dominick Kraihamer stops on track during session with suspected mechanical problem and two red flags during session to recover cars that had gone off into the barriers.
Ford continued to lead in the LMGTE Pro category with Olivier Pla setting a scorching pace with a 2:13.733 lap in #66 Ford GT. The Ford Chip Ganassi Racing driver was 0.9 of a second ahead of second-placed #91 Porsche 911 RSR driven by Gimmi Bruni, with the #67 Ford GT in third and #92 Porsche fourth as the American/German manufacturer battle continues to rage.
Pastor Maldonado was once again the quickest driver in LMP2 in the DragonSpeed Oreca-Gibson, with a lap of 2:02.991s lap. The former grand prix winner was 0.3 seconds ahead of the #37 Jackie Chan Racing Oreca and G-Drive Racing.
Porsche continued to lead the way in LMGTE AM with the #86 Gulf Racing 911 of Ben Barker set the fastest time for the category for FP2 with a 2:16.113s lap of the 7km Spa-Francorchamps circuit. The #77 Dempsey-Proton Porsche was second ahead of reigning champions in #98 Aston Martin Racing Vantage V8.
The third and final Free Practice session will take place tomorrow, Friday 4 May, at 11h00.