Photo courtesy of IMSA

Pla powers to unofficial lap record at Petit Le Mans night practice

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BRASELTON, Ga. – Cooler conditions produced the fastest lap times yet this weekend for the IMSA WeatherTech SportsCar Championship season finale in night practice, and Olivier Pla kept the No. 60 Michael Shank Racing Ligier JS P2 Honda at the top of the charts.

A 1:13.541 is an unofficial lap record for IMSA (note times were quicker in the American Le Mans Series, but we’re talking post-mergification in 2014 when ALMS and GRAND-AM came under one roof) as Pla dropped the hammer Thursday night in the car he shares with Ozz Negri and John Pew, in Shank’s 250th and last scheduled prototype start. It also gave Shank a Thursday three-practice sweep of the top of the timesheets.

“I’m very happy with the performance today. I love this track, Road Atlanta, and the car has been great from the beginning. We just kept improving the car during each session. All of the changes we made were very positive so thank you to the team for that. I think it’s looking good for the race,” Pla told IMSA Radio.

Other class leaders at night included 2015 IndyCar driver Stefano Coletti, in the third Starworks Motorsport entry in Prototype Challenge, Dirk Mueller in GT Le Mans in the No. 66 Ford Chip Ganassi Racing Ford GT and Marco Seefried in GT Daytona in the No. 44 Magnus Racing Audi R8 LMS.

Night practice, like the two day sessions that preceded it, was largely uneventful – a welcome departure from last year’s nightmarish day of crashes and rain on Thursday.

A final pre-qualifying practice occurs on Friday before qualifying later Friday afternoon.

Session three times are linked here.

F1 tests: Mercedes innovates with wheel adjustment system

Photo by Charles Coates/Getty Images
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MONTMELÓ, Spain — Veteran Kimi Raikkonen set the fastest time on the second day of Formula One preseason testing on Thursday, but Mercedes still garnered more attention by introducing an innovative wheel adjustment system.

On-board footage showed defending champion Lewis Hamilton pulling the steering wheel back and forth on the front straight to apparently change the angle of the front wheels on his Mercedes car.

The team stayed tight-lipped about the car’s new feature but guaranteed it was “safe” and “legal.”

“I probably won’t shed a great deal more light than what you saw on the TV but yeah we have a system in the car, it’s a novel idea,” team technical director James Allison told F1 TV. ”We’ve got a name for it, it’s called DAS, if you’re interested, and it just introduces an extra dimension for the steering, for the driver, which we hope will be useful during the year. But precisely how we use it and why we use it, that’s something we will keep to ourselves.”

Allison said governing body FIA knew in advance that the team was introducing the new system.

“It’s something we’ve been talking to them (about) for some time,” he said. “The rules are pretty clear about what’s permitted on steering systems and we’re pretty confident that it matches those requirements. I’m pleased we got it on the car, it seems to be useful, and we’ll see over the coming days how it benefits us.”

Hamilton said he was still trying to get used to the system, but praised the team for coming up with the innovation.

“I’ve only had one morning on (it, so) I don’t really have a lot to talk about with it. We’re trying to get on top of it, understand it, but safety-wise no problem today and the FIA are OK with the project.

“For me it’s really encouraging to see that my team is continuing to innovate and stay ahead of the game, and I think that’s down to the great minds in the team and so hopefully that’ll work to our benefit.”

Hamilton led the time charts on Wednesday but was only ninth-fastest on Thursday.

MORE: Lewis Hamilton, Valtteri Bottas fastest in Day 1 of F1 practice
MORE: Sergio Perez fastest early on Day 2 of F1 Practice

The 40-year-old Raikkonen, who has a chance this season to break the record for most race starts in F1, was fastest with a time of 1 minute, 17.091 seconds in his Alfa Romea. He was 0.2 seconds quicker than Sergio Pérez with Racing Point. Daniel Ricciardo of Renault was third.

Raikkonen caused a red flag near the end of the afternoon session when his car stopped on the track with an apparent mechanical issue. The Finnish driver had spun earlier in the session, as did Valtteri Bottas of Mercedes, Romain Grosjean of Haas and Pierre Gasly of Alpha Tauri, formerly known as Toro Rosso.

Grosjean had the most laps among the 13 drivers who went to the track on Thursday, with 158.

Bottas was the slowest driver of the day, while Sebastian Vettel was sixth-fastest with Ferrari.

Pérez had set the quickest time in the morning session. The Mexican driver had been third fastest on Wednesday, behind Hamilton and Bottas.

Drivers will be back on the track on Friday to close out the first week of testing. Teams will have another three days to test next week.

Preseason testing has been reduced from eight to six days to help compensate for the record 22 races on the calendar, including a new Vietnam Grand Prix and the return of the Dutch GP. Midseason testing also has been eliminated.

The season opens on March 15 at the Australian GP.

The Barcelona-Catalunya track will host the Spanish GP on May 10.