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P

P

PROTOTYPE (P) category:

The Prototype (P) class features the fastest and most technologically advanced cars in North America. They are specifically designed and engineered for the race track and look drastically different than a typical street car.

SUMMARY

TOP SPEED: 200 mph

HORSEPOWER: 600

WHEELBASE: Length varies; based on production vehicle design

WEIGHT: 2,046 lbs/930 kg

HEIGHT: Height varies; based on production vehicle design

WIDTH: 74 inches

CARS: Mazda DPi, Cadillac DPi, Nissan DPi, Ligier LM P2, Multimatic Riley LM P2, Oreca LM P2, Dallara LM P2

ENGINES: Gibson V8, Mazda 4 cylinder turbo, Cadillac 6.2L V8, Nissan V6 Turbo

FUEL: E-20

GEARBOX: 6-speed paddle shift

TIRES: Continental

CHASSIS: Carbon fiber monocoque

SUSPENSION: Front and rear - independent coil springs, upper and lower A arms

TRACTION CONTROL: Permitted


PC LMP2

"LE MANS" PROTOTYPE CHALLENGE ("LM" PC) category: The Prototype Challenge (PC) class is a spec class featuring open-cockpit race cars and technology such as a carbon fiber chassis, carbon brakes and sequential gearbox.

SUMMARY

TOP SPEED: 185 mph

HORSEPOWER: 485

WHEELBASE: Length varies; based on production vehicle design

WEIGHT: 2,002 lbs/910 kg

HEIGHT: 40 inches

WIDTH: 74 inches

CARS: ORECA FLM09

ENGINES: Chevrolet LS3

FUEL: VP Racing Fuel E-10

GEARBOX: Xtrac sequential with paddle shifting

TIRES: Continental

CHASSIS: Carbon Fiber

SUSPENSION: Front and rear - independent coil springs, upper and lower A arms

TRACTION CONTROL: Permitted


P2 LMP2

"GT LE MANS" (GTLM) category: The GT Le Mans (GTLM) cars are the most elite and fastest GT cars on the track. They are based on production models and are engineered to extract the maximum performance possible. The class serves as a true proving ground for leading manufacturers such as BMW, Corvette, Ferrari, Ford, and Porsche.

SUMMARY

TOP SPEED: 180

HORSEPOWER: 500

WHEELBASE: Length varies; based on production vehicle design

WEIGHT: 2,745 minimum

HEIGHT: Height varies; based on production vehicle design

WIDTH: 79 inches

CARS: Aston Martin Vantage V8, BMW M6 GTLM, Corvette C7.R GTE, Ferarri 488 GTE, Ford GT GTE, Porsche 911 RSR GTE

ENGINES: Aston Martin V8, BMW V8 Turbo, 5.5-liter Chevrolet pushrod 2-valve, Ferrari V8 Turbo, Ford EcoBoost Turbo, Porsche flat 6

FUEL: VP Racing Fuel E-20C

GEARBOX: 5-speed or 6-speed

TIRES: Open (Michelin currently participating)

CHASSIS: Steel tubing and integral roll cage or production tube with cage, based on production model available to the public

SUSPENSION: Front and rear - independent coil springs, upper and lower A arms

TRACTION CONTROL: Permitted


P2 LMP2

"GT DAYTONA" (GTD category: The GT Daytona cars are enhanced (not defined by) technology. They are also based on production model cars but do not feature the same level of aerodynamics and power as the GTLM class cars. The GTD class consists FIA GT3-spec cars.

SUMMARY

TOP SPEED: 180

HORSEPOWER: >500

WHEELBASE: Length varies; based on production vehicle design

WEIGHT: 2,680 pounds

HEIGHT: Height varies; based on production vehicle design

WIDTH: 79 inches

CARS: Acura NSX GT3, Aston Martin Vantage GT3, Audi R8 LMS GT3, BMW M6 GT3, Ferrari 488 GT3, Lamborghini Huracan GT3, Lexus RF GT3, Mercedes AMG-GT3, Nissan GT3-R, Porsche 911 GT3-R

ENGINES: Acura V6 Turbo, Aston Martin V12, Audi 5.2-liter V10, BMW V8 Turbo, Ferrari V8 Turbo, Lamborghini 5.2-liter V10, Lexus 5.0-liter V8, Mercedes 6.2-liter V8, Porsche 4.0-liter flat 6

FUEL: VP Racing Fuel E-10

GEARBOX: 6-speed

TIRES: Continental

CHASSIS: Steel tubing with integral roll cage or production tube with cage; based on production model available to public

SUSPENSION: Front and rear - independent coil springs, upper and lower A arms

TRACTION CONTROL: Permitted

ABS: Permitted


Pro (Red) & Pro-Am (Green)

The Pro classes typically feature a professional driver line up while the Pro-Am classes pair a professional driver and amateur driver.

To help fans easily identify a class of car, the IMSA WeatherTech SportsCar Championship implemented a new color system. A Pro class is designated by RED markings on the number panel, mirror, windscreen banner, rear wing end plate, class decal, and leader light.

A Pro-Am class is designated by GREEN markings on the number panel, mirror, windscreen banner, rear wing end plate, class decal, and leader light.

Leader Light System

To help fans follow the on track action, the IMSA WeatherTech SportsCar Championship uses a Leader Light System. It allows fans to easily identify the position of each car in its respective class. The position of the car is displayed on an LED panel mounted on the side of the car.

The color of the LED number corresponds with the red (Pro) and green (Pro-Am) colors utilized in both the Prototype and GT style of cars. For instance, an illuminated red number 5 LED on a GTLM style car means that car is in 5th position in the GTLM class.

Courtesy of IMSA

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