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General data  
Grand Prix season/s 1957
Racing drivers -
Race numbers -
VIN 0712
Number produced 1
Presentation -
   
Technical Specifications  
Chassis 511 - Steel tubular frame with longitudinal chassis beams
Length 3988 mm
Width 1427 mm
Height 1020 mm
Wheelbase 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 16“, 5.50 – 16
Rear tyres 16“, 7.00 – 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 Approx. 180 litres, mounted in the rear end
Body material Aluminium
   
Engine  
Type Lampredi in-line engine
Number of cylinders 4
Displacement 2730 ccm
Bore and stroke 98,5 x 90 mm
Camshaft 2 overhead
Valves 2 per cylinder
Valve control Valve springs
Compression ratio 9:1
Lubrication Dry sump
Ignition Marelli double ignition, 2 magnetos
Fuel management 2 Weber horizontal double cross-flow carburettors, type 42 DCOA
Maximum power Approx. 250 hp – 6.200 rpm
Gearbox 5 gears + rev., transaxle construction
Clutch Multi disc clutch
Engine weight -
   
Team  
Owner Pat Hoare
Good to know:
  • Modified 625 F1 chassis
  • 555 Super Squalo F1 gearbox
  • Modified 625 LM engine with bigger displacement
  • Built for Pat Hoare for Formula Libre races
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