| General data |
|
| Grand Prix season/s |
1955 – 1956 |
| Racing drivers |
Mike Hawthorn, Maurice Trintignant, Jose Froilan Gonzalez, Umberto Maglioli, Giuseppe Farina, Luigi Villoresi, Eugenio Castellotti, Paul Freré, Piero Taruffi, Harry Schell |
| Race numbers |
Various |
| VIN span |
555/01 – 555/04 |
| Number produced |
4 |
| |
|
| Technical Specifications |
|
| Chassis |
511 – Steel tubular frame with longitudinal chassis beams |
| Length |
3988 mm |
| Width |
1427 mm |
| Height |
1020 mm |
| Wheelbase |
2135 mm or 2160 mm |
| Front track |
1278 mm |
| Rear track |
1250 mm |
| Front suspension |
Independent wheel suspension, double delta wishbones, coil springs, Houdaille lever-type shock absorbers, anti-roll bar |
| Rear suspension |
De Dion rear suspension, transverse leaf springs, Houdaille lever-type shock absorbers, double trailing links per side |
| Front tyres |
5.50 x 16“ |
| Rear tyres |
7.00 x 16“ |
| Tyres |
Englebert tread tyres |
| Wheels |
Borrani wheels with wired spokes and central locking |
| Front brakes |
Hydraulically operated bimetal drum brakes |
| Rear brakes |
Hydraulically operated bimetal drum brakes |
| Weight |
600 kg |
| Fuel tank |
2 fuel tanks – mounted on the sides, approx. 180 litres total tankage |
| Body material |
Aluminium |
| |
|
| Engine |
|
| Type |
119 S – Lampredi in-line engine |
| Number of cylinders |
4 |
| Displacement |
2497,6 ccm |
| Bore and stroke |
100 x 79,5 mm |
| Camshaft |
2 overhead |
| Valves |
2 per cylinder |
| Valve control |
Valve springs |
| Compression ratio |
13:1 |
| Lubrication |
Dry sump |
| Ignition |
Marelli double ignition, 2 magnetos |
| Fuel management |
2 Weber horizontal double cross-flow carburettors, type 58 DCOA3 |
| Maximum power |
Approx. 250 – 270 hp – 7.400 rpm |
| Gearbox |
5 gears + rev. |
| Clutch |
Multi disc clutch |
| Engine weight |
– |
| |
|
| Team |
|
| Director of Gestione Sportiva |
Nello Ugolini |
| Design engineer/s |
Ferrari |
| Engine |
Aurelio Lampredi |
| |
|
| VINs |
|
| |
555/01, 555/02, 555/03, 555/04 |