Felipe Nasr put the Whelen Engineering Cadillac atop the charts with an unofficial track record in Thursday morning’s opening practice for the Mobil 1 Twelve Hours of Sebring.
Nasr ran a lap of 1m46.996s in Action Express Racing’s No. 31 Cadillac DPi.V-R, bettering the official mark of Tristan Vautier, 1m47.432s, set last year in a Cadillac.
Dane Cameron was second in the No. 6 Team Penske Acura DPi, at 1m47.351s, followed by Renger van der Zande, at 1m47.389s in the Daytona-winning No. 10 Konica Minolta Cadillac DPi.V-R, and Colin Braun, 1m47.806s in the No. 54 CORE autosport Nissan DPi — last year’s Sebring-winning entry.
The two Mazda Team Joest RT-24Ps were ninth and 10th of the 11 entries in the class, led by Olivier Pla, at 1m48.536s in the No. 55 entry.
GT Le Mans was led by Laurens Vanthoor, at 1m56.983s in the No. 912 Porsche 911 RSR. The No. 67 Ford GT of Richard Westbrook was second at 1m57.313s, followed by Joey Hand in the No. 66 Ford GT, with a 1m57.480s.
Mario Farnbacher paced GT Daytona, at 2m0.793s in the No. 86 Curb Records Acura NSX GT3. He was followed by Patrick Long, at 2m1.240s in the No. 73 Park Place Motorsports Porsche 911 GT3.R, and Aaron Telitz, with a 2m1.448s in the No. 12 AIM Vasser Sullivan Lexus RE C GT3.
Gabriel Aubry led the two cars participating in LMP2, at 1m50.877s in the No. 52 PR1/Mathiasen Motorsports ORECA Gibson. That car needed a tow-in from Turn 7 41 minutes into the session. There was a second red flag at the 52-minute mark, for the JDC-Miller Motorsports Cadillac.
The final 15 minutes of the 75-minute session was limited to bronze and silver drivers in the GTD category.
All 38 entries participated in the session. It opened under sunny skies and 71-degree temperatures, with the mercury forecast to reach 84 this afternoon. Chances for rain Saturday have diminished from 90 percent in yesterday’s extended forecast to 60 percent.
UP NEXT: The second practice will be today from 2:40-3:40 p.m. (all times ET), with a 90-minute night session beginning at 7:45 p.m.
Friday opens with a one-hour, 25-minute combined session at 8 a.m., shortly followed by 15-minute qualifying for GTD at 10:20 a.m. The GTLM class will take time at 10:20, followed by the combined DPi and LMP2 classes at 10:45 a.m. — the last on-track activity of the day.
There will be a 20-minute warm-up on Saturday morning at 8 a.m., with the 67th annual Mobil 1 Twelve Hours of Sebring beginning at 10:40 a.m.