Rebellion Racing went fastest in final free practice for the Le Mans 24 Hours as the LMP1 teams prepared for the new Hyperpole qualifying session.
Gustavo Menezes posted a 3m21.132s aboard the #1 Rebellion-Gibson R-13 in the last 15 minutes of the one-hour session to end up half a second quicker than Mike Conway in the #7 Toyota TS050 - Hybrid on a 3m21.630s.
The FP4 times were some way off the fastest free practice laps set by both teams on Wednesday, with the 3m17.089s set by Conway's team-mate Kamui Kobayashi during qualifying practice the best effort so far.
All five LMP1 cars are taking part in the half-hour Hyperpole session that follows final practice.
Louis Deletraz took third in the #3 Rebellion with a 3m22.382s, which was just quicker than Brendon Hartley's 3m22.525s in the #8 Toyota.
The ByKolles team's ENSO CLM-Gibson P1/01 ended on a 3m29.921s in the hands of Tom Dillmann.
Paul di Resta went quickest in LMP2 for the United Autosports squad late in the session.
His 3m27.185s aboard the #22 ORECA-Gibson 07 jumped him ahead of Jean-Eric Vergne, who ended up on a 3m28.586s in the G-Drive Racing ORECA.
A 3m29.663s from Antonio Felix da Costa was good enough to for third in the Jota ORECA, which was bumped from the top six in first qualifying on Thursday and will not take part in the Hyperpole session.
Renger van der Zande was fourth fastest for DragonSpeed with a 3m29.925s set early in the session.
Porsche ended up quickest in GTE Pro courtesy of a 3m51.985s from Michael Christensen aboard the #92 Porsche 911 RSR-19.
That put him just under half a second up on the #71 AF Corse Ferrari 488 GTE Evo, which posted a 3m52.482s in the hands of Sam Bird.
The second of the two factory Ferraris was third in the hands of Alessandro Pier Guidi on 3m52.684s.
Alex Lynn set the fastest Aston Martin time with a 3m52.875s aboard the #97 Vantage GTE.
Matteo Cairoli was fastest in GTE Am in his Project 1 Porsche on a 3m53.884s.
That put him just five hundredths up on Come Ledogar in the Luzich Racing Ferrari.
Hyperpole for the top six cars in each class in Thursday's first qualifying session begins at 11:30am local time.
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