Fuoco paced the 30-minute session, featuring the fastest eight cars from Wednesday’s first qualifying, with a best time of 3m22.982s at the wheel of the 499P he shares with Miguel Molina and Nicklas Nielsen.
Both of the Ferrari LMHs jumped to the top of the timesheets early on, with Alessandro Pier Guidi initially leading the way on a 3m23.987s in the #51 car ahead of Fuoco in the sister #50 entry.
Pier Guidi then improved to a 3m23.478s, which was scrubbed for a track limits infringement, before Fuoco upped the ante by posting the first sub-3m23s effort of the week so far, outpacing his team-mate by 0.773s despite getting baulked by a GTE Am Ferrari exiting Indianapolis.
That time remained the benchmark when the session was red-flagged with five minutes left on the clock as a result of Cadillac driver Sebastien Bourdais stopping at the first chicane after s …