IMSA notes: Pre-Sebring BoP; Entry lists; OAK’s TUSC lineup

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IMSA’s TUDOR United SportsCar Championship and Continental Tire Sports Car Challenge are back in action this week, with a two-day test Feb. 20 and 21 at Sebring International Raceway. Several staffing changes have taken place since the week at Daytona ended in January. Additionally, there have been a couple Balance of Performance changes.

A quick recap:

  • The full breakdown of BoP adjustments is linked here (P classes, GT classes), but there’s been several changes for the GT classes. The GT Le Mans-spec BMW Z4 and SRT Viper GTS-R each gain 15 kg while the Aston Martin Vantage sheds 20. The Aston has also been granted a 0.3mm restrictor increase; SRT’s restrictor has gone down by that much. In GT Daytona, both of the Daytona pace-setting Ferrari 458 and Audi R8 cars have received changes. Both gain 20 kg while the Ferrari has a 5mm restrictor decrease; Audi’s is 2mm. P class adjustments will likely be finalized after this week’s test.
  • As far as the TUDOR Championship 42-car entry list goes, no major surprises. Starworks Motorsport’s P class car is entered, still with the same Dinan-powered Riley it ran at Daytona. Team Falken Tire is expected to make its debut with its new 991-spec Porsche 911 RSR; the team missed Daytona. In GTD, Rum Bum Racing appears to have partnered with Snow Racing, and the team shifts to No. 13 from 58 for Jan Heylen and Madison Snow. Matt Plumb is listed as third driver; Snow needed a third for Sebring as Marco Seefried will join Magnus Racing at the 12-hour race in March.
  • There’s just 29 cars on the CTSC entry list. Notable here is the Fall-Line BMW team, which originally finished 2-3-4 in Daytona but had one car penalized (No. 47) and the other two promoted to first and second after the winning BMW failed post-race technical inspection. Only Rod Randall and Ken Wilden are listed in Fall-Line’s three M3s; the Daytona lineups of Shelby Blackstock/Ashley Freiberg and John Edwards/Trent Hindman aren’t for now. The 11-car ST class includes five BMWs, three Honda Civic Sis, a pair of Hyundai Genesis and an Aston Martin Vantage.
  • OAK Racing, too, has confirmed its driver lineup for the rest of the TUDOR Championship season. Olivier Pla (5 races), Alex Brundle (5) and Ho-Pin Tung (3) will rotate at various times alongside the team’s lone full-season driver, Gustavo Yacaman, in the No. 42 Morgan Nissan.

The two-day test at Sebring sees the TUDOR Championship on-track both days from 9:30 a.m. to noon, and 2:45 to 5 p.m. ET. CTSC will be on-track both days from 8 to 9:15, and 1 to 2:30 p.m. ET. Live timing will be available on the IMSA website.

F1 Preview: 2018 Australian Grand Prix

Photo: Getty Images
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Save for two occasions, in 2006, and 2010, the Australian Grand Prix has served as the season-opening event for the FIA Formula 1 World Championship since 1996, and this weekend’s event will be the 21st time that the city of Melbourne has kicked off the Formula 1 campaign.

The 2018 season is the fifth one of the current hybrid power unit era, the second season of the current aero regulations, and the second under Liberty Media’s guidance.

Last year saw titans Mercedes AMG Petronas and Scuderia Ferrari duel for supremacy for most of the season before Mercedes distanced Ferrari late in the season to take the constructor’s title and the driver’s title, with Lewis Hamilton, who is now tied with Sebastian Vettel on four world championships apiece.

Four drivers on the grid have Formula 1 world championships to their name: Hamilton, Vettel, Kimi Raikkonen, and Fernando Alonso. Scuderia Toro Rosso’s Brendon Hartley also has a world championship to his name as a two-time titlist in the FIA World Endurance Championship.

So, what can viewers expect from the 2018 curtain-raiser in Australia? A handful of things to watch are below?

2018 Australian Grand Prix – Talking Points

Does Anyone Have Anything for Mercedes?

Only on one day during pre-season testing did a Mercedes driver lead the way – Lewis Hamilton was fastest on the final day of Week 1 at the Circuit de Barcelona-Catalunya.

However, all indications were that was by design, with the team focusing the majority of the second week, if not the entire second week, on long runs with their W09 EQ Power+ chassis.

Such a decision is an ominous one, in that it indicates the team is very comfortable with the amount of speed in the car and did not see a need, or desire, to show their hand during testing.

With that in mind, the Mercedes duo of Hamilton and Valtteri Bottas may yet again have the best and fastest cars, and the team looks poised to potentially make it five constructor’s and driver’s championships in a row.

Ferrari and Red Bull Look to End Mercedes Reign

The biggest threats to Mercedes are undoubtedly Ferrari and Red Bull, the only other teams to win in 2017.

And both teams displayed a lot of pace during testing, particularly in the “one-lap speed” category. Ricciardo set a lap record around the Catalunya circuit during the second week, only for Vettel to supplant that mark later in the week. Teammate Kimi Raikkonen led the way during the final day of testing.

It is unknown how that pace will translate over the course of a race distance. Mercedes appeared to have an edge on both Ferrari and Red Bull over long runs and race simulations, but there is also a theory that neither Ferrari nor Red Bull had their true long-run form on display.

Still, if a team is going to knock off Mercedes, it will likely be either Ferrari or Red Bull.

McLaren on the Rebound?

Put simply, the previous three seasons for McLaren F1 Team were a bit of a disaster. Their partnership with Honda yielded point totals of 27 (2015), 76 (2016), and 30 (2017) in a three-year venture that was defined by poor reliability and underwhelming power.

The relationship hit a boiling point last year and both entities parted ways ahead of the 2018 season, with McLaren signing a new power unit deal with Renault.

Testing went better than in previous years, though the team continued to battle reliability problems. However, all issues appeared to be minor, needling issues rather than more significant, foundational problems, as the other Renault teams (Red Bull and Renault Sport F1 Team) had solid runs with few reliability issues.

The car does appear to have speed in it, so if the reliability problems are behind them, McLaren could be in for a rebound season.

Stuck in the Midfield Again

Formula 1’s battle amongst the midfield is set to be as fierce as ever as a host of a several teams have a chance at being “best of the rest.”

Sahara Force India has been the frontrunner from the the midfield teams each of the last two years, finishing fourth in the constructor’s title in both 2016 and 2017, though if the steady conflict between drivers Esteban Ocon and Sergio Perez continues through 2018, it could hamper their efforts significantly.

Renault Sport F1 Team and Haas F1 Team look to improve on their 2017 form, while Toro Rosso is in a new partnership with Honda power units…and has experienced a surprisingly smooth pre-season as Honda’s 2018 platform looks significantly better, with the team enjoying a solid run of testing with few, if any, reliability problems.

Williams Martini Racing and Alfa Romeo Sauber appear to be at the back of the pack entering the season, but both could battle for points finishes if those ahead of them falter.