IndyCar’s important pre-Indy 500 aero test at IMS underway (PHOTOS)

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Today is an important day for the Verizon IndyCar Series, and both its manufacturers – Chevrolet and Honda – as it tries new aerodynamic components in preparation for the 100th Indianapolis 500 presented by PennGrade Motor Oil.

A field of 16 cars has intermittently rolled out; KVSH Racing (Sebastien Bourdais) and Dale Coyne Racing (Conor Daly) were expected to test today but aren’t. For KVSH it’s engine-related per the Indianapolis Star‘s Curt Cavin, and for Coyne, the team has headed back to its Plainfield, Ill. shop to prep for Long Beach and opted not to test citing the high winds and unpredictable Indianapolis weather.

New to the cars this year are domed skids – which have been a bit controversial in the press, although comments about them have primarily come from Honda drivers – and a rear wing beam flap, similar to NASCAR’s roof flaps albeit on the bottom of the car. Both are designed as safety enhancements to keep cars grounded and prevent lift, as was the case last year with three airborne accidents during practice (Helio Castroneves, Josef Newgarden and Ed Carpenter) prior to qualifying.

Some Chevrolet teams have a new component on their rear wing pods – a Honda-esque element on top of the pods from last year.

See an example below from Simon Pagenaud’s No. 22 DeVilbiss Team Penske Chevrolet; Pagenaud has only just made it back to Indianapolis after promoting the June 26 race at Road America on Tuesday.

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Here’s some photos on social media and of cars on track thus far (photos not from Twitter are photo credit: IndyCar):

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IMSA Petit Le Mans at Road Atlanta: How to watch, start times, schedule, entry list

AUTO: NOV 13 IMSA - Motul Petit Le Mans
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Start times, TV schedule: The IMSA WeatherTech SportsCar Championship will conclude the 2022 season this weekend with the Motul Petit Le Mans at Michelin Road Atlanta, which also will mark the end of the line for the DPi class.

The premier Daytona Prototype international category, which started in 2017, will be replaced by the new Grand Touring Prototype (GTP) class with its LMDh cars that will establish a bridge to Le Mans.

For the third time in four years, an Acura will be crowned the champion in DPi as the No. 10 of Wayne Taylor Racing holds a 19-point edge over the No. 60 of Meyer Shank Racing.

Last year, WTR’s No. 10 entered the season finale with a 19-point lead but lost the title to the No. 31 Cadillac of Action Express.

Full-time WTR drivers Filipe Albuquerque and Ricky Taylor (who will be joined by Brendon Hartley in the No. 10 this weekend) have a series-leading four victories this season. The MSR duo of Tom Blomqvist and Oliver Jarvis (who will be joined by Helio Castroneves this weekend) won the Rolex 24 at Daytona and have five runner-up finishes this year.

Championship scenarios in the other four categories:

GTD Pro: Points leaders Matt Campbell and Mathieu Jaminet will clinch the title by starting in their No. 9 Pfaff Motorsports Porsche 911 GT3 R.

–GTD: There are 140 points separating the top four teams with Roman De Angelis and the No. 27 Heart of Racing Aston Martin Vantage GT3 leading by 45 points.

–LMP2: John Farano is first in the driver standings by 33 points over Dwight Merriman and Ryan Dalziel. In the team standings, the No. 52 PR1 Mathiasen Motorsports leads by 19 points over the No. 8 Tower Motorsport (Farano’s team).

–LMP3: No. 54 CORE autosport drivers Jon Bennett and Colin Braun lead by 83 points over the No. 74 Riley Motorsports of Gar Robinson.

With the 10-hour race requiring an extra driver, several stars from other racing series have been added. In addition to Castroneves, Scott Dixon and Ryan Hunter-Reay will serve as third drivers in Chip Ganassi Racing’s pair of Cadillacs.

Jimmie Johnson also will be making his last DPi start in the No. 48 Ally Cadillac with Mike Rockenfeller and Kamui Kobayashi. Petit Le Mans could mark the last start in an IMSA prototype for Johnson, who has said limited inventory likely will keep him out of the GTP category in the Rolex 24 next year.

Here are the start times, starting lineup, schedule and TV info for the IMSA Petit Le Mans at Road Atlanta (all times are ET):


Petit Le Mans at Road Atlanta start times, schedule, TV info

When: Saturday, 12:10 p.m. ET

Race distance: Ten hours on the 12-turn, 2.54-mile road course

TV: Noon-3 p.m., NBC; 3-10:30 p.m., USA Network. Peacock, the NBC Sports App,and NBCSports.com will have streaming coverage of the event from flag to flag beginning at noon. Leigh Diffey and Dave Burns are the play by play announcers with analysts Calvin Fish, Townsend Bell, James Hinchcliffe and Brian Till. The pit reporters are Kevin Lee, Hannah Newhouse, Dillon Welch and Matt Yocum.

IMSA.com live TV qualifying stream: Friday, 3:35 p.m. ET.

IMSA Radio: All sessions are live on IMSA.com and RadioLeMans.com; SiriusXM live race coverage will begin Saturday at noon (XM 207, Internet/App 992).

Forecast: According to Wunderground.com, it’s expected to be 63 degrees with an 85% chance of rain at the green flag.

Entry list: Click here to see the 48-car field for the IMSA Petit Le Mans at Road Atlanta


Daily schedule IMSA Petit Le Mans

Here’s a rundown of the Petit Le Mans at Michelin Road Atlanta in Braselton, Georgia:

Wednesday, Sept. 28

9:30 a.m.: Mazda MX-5 practice

10:25 a.m.: Porsche Carrera Cup

12:30 p.m.: Prototype Challenge practice

1:15 p.m.: Mazda MX-5 practcice

2 p.m.: Porsche Carrera Cup practice

3:30 p.m.: Michelin Challenge practice

Thursday, Sept. 29

8 a.m.: Prototype Challenge practice

9 a.m.: Porsche Carrera Cup qualifying

9:50 a.m.: IMSA WeatherTech SportsCar Championship practice

11:40 a.m.: Prototype Challenge qualifying

12:10 p.m.: Michelin Challenge practice

1:50 p.m.: Mazda MX-5, Race 1

2:55 p.m.: IMSA WeatherTech SportsCar Championship practice

5 p.m.: Porsche Carrera Cup, Race 1

6 p.m.: Michelin Challenge qualifying

7:30 p.m.: IMSA WeatherTech SportsCar Championship practice

Friday, Sept. 30

8 a.m.: Prototype Challenge race

9:50 a.m.: Mazda MX-5, Race 2

10:55 a.m.: Porsche Carrera Cup, Race 2

1:10 p.m.: IMSA Michelin Pilot Challenge race

3:40 p.m.: IMSA WeatherTech SportsCar Championship qualifying

Saturday, Oct. 1

9:15 a.m.: IMSA WeatherTech SportsCar Championship practice

12:10 p.m.: Petit Le Mans