OSCar O₃ Specification

Engine

• GM LS7 (Corvette) V8 7.0 l (7011 cm²) with OSC specification
• GM LS6 (Corvette) V8 5.7 l (5665 cm²) with OSC specification
• No engine
• Ø 37.2 mm air intake restrictor (FIA requirement)
• ATL FT-3 550l fuel tank
• Fuel supply system with backup loop
• OSC/Paceproducts water cooler

Electronics

• OSC engine ECU with AIM MXL Pro 2005 dash display
• OSC engine ECU with Stack dash display
• No ECU and dash display
• Engine loom with sensors
• Optional: engine loom from Teflon high temperature wires
• OSC fuse and switch panel with diode warning lights
• Two TERRATRIP trip meters
• Mount for 2 GPS receivers

Transmission

• Sadev 6-speed sequential gearbox incorporating central limited-slip differential, with central lock
• No gearbox
• Two SETRAB oil coolers for gearbox
• AP Racing double-disc clutch
• OSC propeller shaft with GKN Lobro joints
• OSC/SADEV driveshafts with GKN Lobro inner joint and Mitsubishi outer joint
• Sadev SP05 front and rear differentials with internal oil pump and external oil cooler
• Mitsubishi/OSC differentials
• No differentials

Suspension

• Independent suspension with 250 mm wheel travel (to FIA regulations)
• OSC uprights with Mitsubishi hubs and wheel bearings, identical front and rear
• OSC wishbones, identical front and rear
• Eibach dual rate springs
• Donerre Lithium shock absorbers (1 per wheel) with Detra fast-rebound system
• Donerre shock absorbers (2 per wheel) with Detra fast-rebound system
• No shock absorbers

Chassis & Body

• Tubular space frame chassis (Ø 40 x 2.0 mm and Ø 45 x 2.5 mm tubes)
• OSC steering rack with Woodward hydraulic assistance
• AP Racing brakes with OSC brake discs (Ø 315 x 30 mm)
• Place for 3 spare wheels

Wheels & Tyres

• Speedline 7″ x 16″ wheels
• BF Goodrich G1 tyres, 235/85 – 16″

Ancillaries

• Two integrated jacks
• Two shovels
• Four sand ladders
• Cockpit & windscreen heater