The car

Dallara INDYCAR

Manufacturer: Dallara Automobili, Italy

Model: Dallara IR-12 chassis (2012-present) with Dallara IR-18 aero kit.

Construction: Monocoque contains cockpit, fuel cell and front suspension; engine is stressed (integral) member of chassis; rear assembly contains bellhousing, gearbox and rear suspension members

Materials: Carbon fiber, kevlar and other composites

The car

Top speed (mph)

Weight (lb)

Length (in)

Wheelbase (in)

Width (in)

Top speed (mph)

Weight (lb)

Length (in)

Wheelbase (in)

Width (in)

The engine – Honda HI21R Indy-V-6

Displacement

2.2-liter (134.25 cubic inches) V-6,
twin-turbocharged

Horsepower

Estimated 550-700 horsepower, depending on turbo boost pressure used at track

 

Weight

Approximately 1,700 lbs (Road/Street Courses), 1,690 lbs (Short Ovals) and 1,655 lbs (Speedways)

Turbocharging:
Twin BorgWarner EFR 7163 turbochargers

RPM:
12,000 maximum (INDYCAR-supplied rev limiter)

Injectors:
Maximum two injectors per cylinder, one for direct injection, 300 bar maximum fuel system pressure

ECU (Engine Control Unit):
McLaren Applied Technologies TAG 400i

Throttle:
Drive-by-wire controlled port throttles

Gearbox:
XTRAC #1011 gearbox. Six forward gears, one reverse gear, Mega-Line Assisted Gear Shift (paddle-shift)

Length:
Approximately 201.7 inches

Width:
76.5 inches maximum, 75.5 inches minimum (75.75 inches minimum and 76.75 inches maximum for ovals) measured outside rim to rim.

Height:
Approximately 40 inches

Wheelbase:
117.5 to 121.5 inches

 

Wheel Size:
Front: 15 inches diameter, 10 inches wide. Minimum weight: 13.48 pounds
Rear: 15 inches diameter, 14 inches wide. Minimum weight: 14.7 pounds

Tires: Firestone Firehawk
Front diameter: 26 inches maximum, 25 inches minimum @ 35 psi
Rear diameter: 27.5 inches maximum, 26.5 inches minimum @ 35 psi

The Driver

The Team

The Car

The Races