Six hours to go:

DPi—now #60 Acura, #10 Acura, #31 Cadillac

LMP2—still #8 Oreca (5th overall), #29 Oreca, #81 Oreca

LMP3—now #54 Ligier (14th overall), #74 Ligier, #33 Ligier

GTD Pro—now #2 Porsche 911 (20th overall), #9 Porsche 911, #15 Mercedes-AMG (Corvettes 7th and 11th in a class of 13)

GTD—now #21 Ferrari 488 (25th overall), #70 McLaren 720, #16 Porsche 911