Both drivers will sit out today's event.
The teams now face a race against time.
Lime Rock in, Indy and Kansas out on 12-race schedule.
A breakdown of the four classes is included.
Starworks return to DP competition will see Canadian IndyCar ace James Hinchcliffe behind the wheel.
The team chose to take advantage of the positive opportunities provided by the fire to make changes to existing systems on the DeltaWing coupe.
The nomination came in the wake of the big team performance in the Brickyard Grand Prix,
No longer has to share space with Elan Motorsports Technologies.
IndyCar rookie replacing the suspended Alex Tagliani for RSR.
Veteran sportscar racer tabbed for Indianapolis and Road America events
The sports car racing legend will not take part in this weekend's TUDOR United SportsCar Championship race.
NGT Motorsport has decided to withdraw from competition in the newly formed series, effective immediately.
Tagliani was penalized for an incident at Turn 10 involving another car.
Petit Le Mans will decide the champions.
John Martin will be joining Starworks driver Martin Fuentes in the #7 Bomberg liveried Oreca Chevrolet FLM09.
Sage Karam will join Scott Pruett and Memo Rojas in the driver lineup of the No. 01 Telcel Ford EcoBoost Prototype.
Dempsey credited his TUDOR Championship participation for making a significant contribution to his Le Mans preparation.
A total of 11 official automotive partners are competing this year in IMSA, 10 in the inaugural TUDOR Championship season.
Tim Keene to replace Dave Price in June
Continental Tire SportsCar Challenge Awards On October 3 At Chateau Élan
KV Racing Technology has added a fourth car to their Indianapolis 500 fleet.
Extreme Speed Motorsports has purchased two of the new HPD ARX-04b closed-top prototypes.
Popular Continental Tire Sports Car Challenge racer Ryan Eversley will make his TUDOR United SportsCar Prototype debut this weekend at Mazda Raceway Laguna Seca.