IMSA Prototype Challenge (formerly IMSA Prototype Lites) is a racing series featuring two classes of single-seat prototype cars racing simultaneously. The series is sanctioned by the

International Motor Sports Association The International Motor Sports Association (IMSA) is a North American sports car racing sanctioning body based in Daytona Beach, Florida under the jurisdiction of the ACCUS arm of the FIA. It was started by John Bishop, a former executive direc ...

(IMSA). Most races are held in support of the WeatherTech SportsCar Championship. The series races

LMP3 A Le Mans Prototype (LMP) is the type of sports prototype race car used in the 24 Hours of Le Mans, FIA World Endurance Championship, IMSA SportsCar Championship, European Le Mans Series and Asian Le Mans Series. Le Mans Prototypes were create ...

class prototype sportscars. The cars have grown in size and speed since its 2006 introduction, starting from four-cylinder and motorcycle powered race cars to large V8 powered cars. Each race is 1 hour and 45 minutes long apart from the season opening 3 hour race at

Daytona International Speedway Daytona International Speedway is a race track in Daytona Beach, Florida, United States. Since opening in 1959, it has been the home of the Daytona 500, the most prestigious race in NASCAR as well as its season opening event. In addition to NA ...

Car Specifications

LMP3 Class

Former classes

MPC Class *Engine: 2.0-liter,

Naturally aspirated Naturally may refer to: ;Albums * ''Naturally!'', an album by Nat Adderley * ''Naturally'' (Houston Person album) * ''Naturally'' (J. J. Cale album) * ''Naturally'' (John Pizzarelli album) * ''Naturally'' (Sharon Jones album) * ''Naturally'' ...

Mazda MZR engine *Gearbox: 6 Speed Sequential Manual Transmission *Weight: 1,425 lb (646 kg) with driver *Fuel Delivery:

Electronic fuel injection Manifold injection is a mixture formation system for internal combustion engines with external mixture formation. It is commonly used in engines with spark ignition that use petrol as fuel, such as the Otto engine, and the Wankel engine. In a mani ...

L2 Class *Engine: 2.3-liter,

Mazda MP2 *Gearbox: 6 Speed Sequential Manual Transmission *Weight: 1,425 lb (646 kg) with driver *Fuel Delivery:

L2 Class ''2006-2012 only'' *Engine: 1000cc

Kawasaki or Suzuki *Weight: 1,100 lb (500 kg) with driver L3 Class ''2006-2009 only, class discontinued for 2010'' *Engine: 2.3-liter,

Mazda MZR MZR is the brand name of a generation of Inline-four engines engineered and built by the Mazda Motor Corporation from 2001 to the present. MZR stands for "MaZda Responsive". The MZR generation includes gasoline and diesel powered engines ranging ...

*Weight: 1,350 lb (612 kg) with driver

Champions

References

External links

Official site
{{IMSA Prototype Challenge racetracks Auto racing series in Canada Auto racing series in the United States International Motor Sports Association Sports car racing series