| Designers | Michel Beaujon, Claude Galopin |
| Technical director | Guy Ligier, Danny Hindenoch |
| Chief Mechanic | Jean Claude Guenard, Daniel Vizier |
| Sponsors | Gitanes, Embratur, Cafe do Brasil, Elf |
| N° chassis built | 4 |
| |
| Chassis | Honeycomb monocoque |
| Front suspension | Double wishbones, pull rods and spheres |
| Rear suspension | Double wishbones, pull rods and spheres |
| Shocks absorber | Hydropneumatic Citroen |
| Tyres size | Front 13*11, Rear 13*16 |
| Tyres | Michelin |
| Brakes | Brembo |
| Ferodoes | Ferodo |
| Steering | Ligier |
| Radiators | IPRA |
| Fuel and oil tanks | ATL |
| Battery | Tudor |
| Cockpit instruments | Contactless |
| |
| Wheel base | 2630 mm |
| Width track | Front 1788 mm, Rear 1600 mm |
| Gearbox weight | 54 Kg |
| Frame weight | 40 Kg |
| Weight | 550 Kg |
| Fuel tank capacity | 210 lt |
| Fuel consumption | 2 Km/lt |
| |
| Gearbox | Hewland (5 speed) |
| Half shafts | Citroen |
| Clutch | Borg & Beck |
| | |
| Engine | Ford Cosworth DFV | Ford Cosworth DFY short stroke |
| Type | 90 degree V8 | 90 degree V8 |
| Bore & stroke | 85.6 mm*64.8 mm | 90.0 mm*58.8 mm |
| Engine capacity | 2993 cc | 2994 cc |
| Compression ratio | 12.2:1 | 12.2:1 |
| Max power | 495 HP | 510 HP |
| Max rev | 11000 rpm | 11000 rpm |
| Valves size | 34.50 inlet 29.97 exhaust | 36.06 inlet 31.75 exhaust |
| Valve timing | 10.41 | 11.00 inlet 10.41 exhaust |
| Block | Aluminium | Aluminium |
| Pistons | Cosworth/Goetze | Cosworth/Goetze |
| Bearings | Vandervell | Vandervell |
| Injection | Lucas | Lucas |
| Ignition | Lucas/Contactless | Lucas/Contactless |
| Engine weight | 150 Kg. | 145 Kg. |
