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General data  
Year/s of production 1961
VIN 2643 GT
Number produced 1
Design Pininfarina
Manufactured by Pininfarina
   
Technical specifications  
Chassis 539/61 Competizione – Steel tubular frame, oval cross section, tube frame for body
Length
Width
Height
Wheelbase 2400 mm
Front suspension Independent wheel suspension, double delta wishbones, coil springs, hydraulic telescope shock absorbers, anti-roll bar
Rear suspension Rigid axle, longitudinal leaf springs, double trailing links, hydraulic telescope shock absorbers
Front track 1354 mm
Rear track 1348 mm
Front tyres 6 x 16 in., Borrani wheels with wired spokes and central locking – two prongs Tyres: Dunlop Racing
Rear tyres 6 x 16 in., Borrani wheels with wired spokes and central locking – two prongs Tyres: Dunlop Racing
Front brakes Disc brakes
Rear brakes Disc brakes
Kerb weight Approx. 1010 kg
Body material Extremely thin aluminium
Body type Coupé Speciale with 400 SA body
   
Engine  
Type 168/61C – Colombo front engine
Number of cylinders V12 – 60°
Displacement 2953 ccm
Bore and stroke 73 x 58,8 mm
Camshaft 1 overhead per cylinder bank
Valves 2 per cylinder
Compression ratio Approx. 9,8:1
Ignition Single ignition, outside spark plugs
Lubrication Dry sump lubrication
Maximum power Approx. 290 – 305 hp – 7.500 rpm
Maximum torque Approx. 275 Nm (28 mkg) – 5.500 rpm
Carburettor 6 Weber twin carburettors, type 38 DCN
Gearbox 5 gears + rev.
   
Performance  
Top speed Approx. 280 km/h
Good to know:

  • GTO Prototype based on 250 GT SWB chassis
  • Pininfarina job no.: 99529

Short Racing History :

  • Le Mans 24h 1961: Entrant: Ferrari, Racing drivers: Fernand Tavano/Giancarlo Baghetti, no 12, retired, color of car: dark blue
  • Le Mans 24h 1962 Entrant: N.A.R.T., Racing drivers: Ed Hugus/George Reed, no 21, 9th place, color of car: white
  • 3 hours of Daytona 1962: Entrant: N.A.R.T., Racing drivers: Stirling Moss, no 18, 4 th place overall, 1st in class GT
  • 12 hours of Sebring 1962: Entrant: N.A.R.T, Racing drivers: Ed Hugus/George Reed, no 28, 8th place

 

The Galleries

S/N 2643 GT 250 GT Sperimentale
  • Gallery: Coming soon

 

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