Action Express Racing is running 1-2 in the lead of the Mobil 1 Twelve Hours of Sebring with the first hour completed.
The race went green after 40 minutes running behind the safety car and Dane Cameron lost the lead in his Acura Team Penske machine when he pitted soon after.
This allowed Filipe Albuquerque to move into the lead in the Action Express-run Mustang Sampling Racing Cadillac DPi-V.R.
Pipo Derani then passed his teammate to take the lead for Action Express’ Whelen Engineering Racing entry.
Cameron, meanwhile, ended up pitting for a second time to change the steering wheel on his Acura ARX-05.
The pair of Cadillacs currently have a 11-second lead over Tristan Nunez’s Mazda Team Joest car.
Richard Westbrook has taken the GT Le Mans lead from polesitter Patrick Pilet, with the pair of Porsche 911 RSRs last in class after electing to pit.
In GT Daytona, Trent Hindman has remained out front for Meyer Shank Racing, while Performance Tech Motorsports has inherited the LMP2 lead.