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| chassis | C18 chassis Carbon fibre monocoque |
| Engine | Sauber Petronas V10 engine with the SPE 03A specification |
| Official Designation: | SPE 03A |
| Number of Cylinders: | 10 |
| Configuration: | 80-degree vee |
| Technical Data | |
| Displacement: | 2997 cc |
| Cylinder Block: | Aluminium |
| Number of Main Bearings: | 6 |
| Number of Camshafts: | 4 OHC |
| Camshaft Drive: | Gear Wheels |
| Number of Valves: | 40 |
| Valve Mechanism: | Pneumatic |
| Engine Management | |
| Ignition System: | Magneti Marelli |
| Injection: | Magneti Marelli |
| Oil System: | Dry sump |
| Weight: | less than 120 kilos |
| Dimensions: | |
| Length: | 625 mm |
| Width: | 592 mm |
| Height: | 396 mm |
| Front Suspension: | Upper and lower wishbones, inboard springs and dampers (Sachs), actuated by pushrods |
| Rear Suspension: | Upper and lower wishbones, inboard springs and dampers (Sachs), actuated by pushrods |
| Brakes: | Six-piston calipers (Brembo) front and rear; carbon pads and discs (Carbone Industries/Hitco) |
| Transmission: | Semi-automatic, longitudinally mounted, seven-speed transmission (Sauber), carbon clutch (Sachs) |
| Tyres: | Bridgestone |
| Wheels: | O.Z. 13 inch |
| Dimensions: | Lenght: 4.410 mm
Width: 1.800 mm Height: 1.000 mm Front Track: 1.470 mm Rear Track: 1.410 mm Wheel base: 2.980 mm |
| Weight: | 600 kg (including liquids and driver) |