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2015 Rolex 24 at Daytona pre-race notes

Reigning Indy 500 champion Ryan Hunter-Reay summarized our feelings on every year's Rolex 24 Hours at Daytona when he said, "The 24 kind of kicks off the year and has become part of my calendar... It definitely helps you get in race shape after a long layoff." Speaking of IndyCar drivers, 14 of the 33 pilots who started last year's Indy 500 are driving in Daytona this year, and an IndyCar driver has been part of the overall winning team for the last four years. The race starts at 2:10 pm Eastern Standard Time, here's where you can watch it: 2-4 pm: Fox Sports Network 4-8 pm: Fox Sports 2 8-10 pm: Fox Sports 1 10 pm-7 am: IMSA TV on IMSA.com - commentary available here for the full 24 hours 7 am – 2:30 pm (Sunday) – Fox Sports 1 Timing and Scoring Andy Blackmore's typically awesome Spotter's Guide Video primer on the four classes: Prototype (16 in this year's race), Prototype Challenge (8), GT Le Mans (10), GTD (19), and how to identify them. Daytona International Speedway: tri-oval with an infield road course, 3.56 miles long, 12 turns Entry list Qualifying results We've tagged along with Audi for the 53rd running of the race, which marks the first event in the Tudor United SportsCar Car Championship. After a difficult first year of teething – IMSA president and COO Scott Atherton said, "Everybody on our staff and everybody that raced with us last year would tell you it was the most challenging season on record" – some things are smoother this year, some things aren't, starting with the field: 53 cars are expected to line up, 14 fewer than last year, the smallest field since 48 cars lined up in 2011. The Prototype class shed three teams from 2014 and the GT Daytona class lost ten, so there's a 19-car field in that class (nine Porsche 911 GT Americas, three Ferrari 458 Italias, two each of the Aston-Martin V12 Vantage, Dodge Viper SRT, Audi R8 LMS, and one BMW Z4). Truth be told, last year's number was probably inflated by having the previous American Le Mans Series and Grand-Am Rolex Sports Car Championship combined to make the USCC; the field in 2013 was 57 cars, in 2012 it was 59 cars. Another factor in this year's race is that the GT class adopts FIA GT3 rules from next year. Brad Kettler, manager of Audi's customer motorsport program, said they'd sold five R8 LMS cars last year but zero for this year – there are undoubtedly teams waiting on the sidelines for the rules unification before spending the money.

Audi R8 E-Tron back on production map thanks to new battery tech?

Contrary to our October 2012 report, it appears Audi's R8 E-Tron program is back on track, if a report from Australia is to be believed. Drive is reporting that the German brand has changed its mind and won't be sacking the program, despite previously stated concerns about the quality and price of batteries for the R8-based EV.
We last saw the R8 E-Tron prototype in the snows of northern Europe, although footage of the car has been non-existent since that wintry test. This new report claims that a small number of R8 E-Trons will see production, which gels with what we heard back in 2012 and supposed earlier this year. Apparently, some new sort of lithium-ion battery technology has allowed for a drastic increase in range, with rumors of the original 130 miles going up to around 250. According to Drive, this makes the project feasible again.
"Our engineers and technicians are further developing the car and its electric drive system. The range has grown significantly, allowing the potential for a small-scale production," an unnamed, but high-ranking Audi employee told the Aussies.

Audi S1 rally car races its RC counterpart

Veteran racer Mattias Ekstrom campaigns the meanest looking Audi S1 on the block in the FIA World Rallycross Championship. With a 2.0-liter turbocharged four-cylinder pumping out a claimed 600 horsepower and all-wheel drive, this little hatch can reportedly hit 60 miles per hour in a wickedly quick 1.9 seconds. While those specs are mighty impressive, they don't really matter too much for Ekstrom's latest race in the S1 against a pint-sized doppelganger in the form of an RC replica of the rallycross machine around a warehouse. Despite, the massive gulf in size and power, the two Audis appear fairly evenly matched. The RC version can't quite match the real one in outright speed but can go under obstacles that Ekstrom's S1 is forced to drive around. Check out the clip above to see which S1 makes it to the finish first. Related Gallery EKS Audi S1 Supercar News Source: Audi Deutschland via YouTubeImage Credit: Related images copyright EKS Motorsports Toys/Games Audi Hatchback Racing Vehicles Videos rc car audi s1