Category | Indy Racing League |
---|---|
Constructor | Dallara |
Successor | Dallara IR-00 |
Technical specifications | |
Chassis | Carbon fiber monocoque with honeycomb structure |
Suspension (front) | double wishbones, pull rod actuated coil springs over shock absorbers |
Suspension (rear) | double wishbones, pull rod actuated coil springs over shock absorbers |
Length | 192–196 in (4,877–4,978 mm) |
Width | 77.5–78.5 in (1,968–1,994 mm) minimum (Road/Street) |
Wheelbase | 118–122 in (2,997–3,099 mm) |
Engine | Infiniti Oldsmobile 4.0 L (244 cu in) 90° N/A V8 DOHC with 4-stroke piston Otto cycle mid-engined, longitudinally-mounted |
Transmission | Emco EGB-16 6-speed sequential |
Power | ~ 700–750 hp (522–559 kW) |
Weight | 1,550 lb (703 kg) |
Fuel | 100% methanol |
Lubricants | Various per teams |
Tyres | Firestone Firehawk |
Competition history | |
Debut | 1997 Indy 200 at Walt Disney World |
The Dallara IR-7, and its evolutions, the Dallara IR-8 and Dallara IR-9, are open-wheel formula racing cars, designed, developed, and produced by Italian manufacturer Dallara for use in the IndyCar Series, between 1997 and 1999.[2]