Two of the top three cars from GTD qualifying have had their time disallowed with a top three time from the Prototype class also being waved off.
The GTD pole winning #48 Paul Miller Racing Audi driven by Christopher Haase, Bryce Miller, René Rast and Matthew Bell and the third-fastest #46 Fall-Line Motorsports Audi drive by Oliver Jarvis, James Walker, Charles Espenlaub and Charles Putnam have had their times disallowed. The #48 Audi was found to have a rear wing endplate violation while the #46 had a ride height violation.
In prototypes, the #78 Starworks Dinan-Riley driven by Alex Popow, Brandon Hartley, Scott Mayer, EJ Viso and Sebastián Saavedra has had their third fastest time waved off after a ride height violation and unapproved aerodynamic device on the car.
The prototypes starting line-up after the penalty:
1. #99 Gainsco/Bob Stallings Corvette DP
2. #90 Spirit of Daytona Corvette DP
3. #5 Action Express Corvette DP
4. #9 Action Express Corvette DP
5. #02 Ganassi Ford-Riley
6. #10 Wayne Taylor Corvette DP
7. #0 DeltaWing
8. #01 Ganassi Ford-Riley
9. #60 Michael Shank Ford-Riley
10. #6 Muscle Milk Pickett Oreca-Nissan
11. #31 Marsh Corvette DP
12. #50 Highway to Help Dinan-Riley
13. #2 Extreme Speed HPD ARX-03b
14. #1 Exreme Speed HPD ARX-03b
15. #42 OAK Racing Morgan-Nissan
16. #70 SpeedSource Mazda SKYACTIV-D
17. #07 SpeedSource Mazda SKYACTIV-D
18. #78 Starworks Dinan-Riley.
After the two GTD penalties, their grid will be as follows:
1. #63 Scuderia Corse Ferrari
2. #65 Scuderia Corse Ferrari
3. #007 TRG Aston Martin
4. #555 Level 5 Ferrari
5. #33 Riley Motorsports SRT Viper
6. #556 Level 5 Ferrari
7. #71 Park Place Porsche
8. #72 SMP Racing Ferrari
9. #009 TRG Aston Martin
10. #94 Turner BMW
11. #27 Dempsey Porsche
12. #18 Muehler Porsche
13. #22 Alex Job Porsche
14. #58 Snow Porsche
15. #30 NGT Porsche
16. #73 Park Place Porsche
17. #23 Team Seattle/Alex Job Porsche
18. #45 Flying Lizard Audi
19. #81 GB Autosport Porsche
20. #35 Flying Lizard Audi
21. #32 GMG Audi
22. #51 Spirit of Race Ferrari
23. #28 Dempsey/Konrad Porsche
24. #64 Scuderia Corse Ferrari
25. #19 Muehlner Porsche
26. #49 Spirit of Race Ferrari
27. #48 Paul Miller Audi
28. #26 Fall-Line Audi