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General data  
Grand Prix season/s 1991
Racing drivers Alain Prost, Jean Alesi, Gianni Morbidelli
Race numbers Alain Prost: 27 Jean Alesi: 28 Gianni Morbidelli: 27
VIN span 122 - 126
Number produced 5
Presentation 19 February 1991, Mugello
   
Technical Specifications  
Chassis Carbon-fibre and honeycomb composite structure
Length 4402 mm
Width 2130 mm
Height 1004 mm
Wheelbase 2830 mm
Front track 1800 mm
Rear track 1675 mm
Front suspension Independent wheel suspension, double delta wishbones mounted on torsion springs, horizontal shock absorber unit operated by deflection lever and trust rods, anti-roll bar, Push-Rod-System
Rear suspension Independent wheel suspension, double delta wishbones, horizontal shock absorber unit operated by trust rods, anti-roll bar, Push-Rod-System
Front tyres 13“, 25.0 x 10.0 x 13“
Rear tyres 13“, 26.0 x 15.0 x 13“
Tyres Goodyear Eagle radial slicks
Wheels Speedline alloy rims
Front brakes Brembo ventilated and drilled carbon-fibre disc brakes, 4-pod aluminium callipers
Rear brakes Brembo ventilated and drilled carbon-fibre disc brakes, 4-pod aluminium callipers
LeerWeight Approx. 505 kg, including oil and water
Fuel tank Approx. 215 litres
Body material Carbon-fibre
   
Engine  
Type 291.6 – mid-engine
Number of cylinders V12 – 65 °
Displacement 3499,20 ccm
Bore and stroke 86 x 50,2 mm
Camshaft 2 overhead per cylinderbank
Valves 5 per cylinder
Valve control Valve springs
Compression ratio Approx. 13:1
Lubrication Dry sump
Ignition Magneti Marelli electronic static ignition
Fuel management Weber-Marelli electronic injection, Agip fuel
Maximum power Approx. 710 – 735 hp – 14.800 rpm
Gearbox 7 gears + rev., semiautomatic sequential electronically controlled gearbox, activated by steering wheel paddles, longitudinal installed, limited-slip differential
Clutch 3-disc clutch – carbon-fibre discs
Engine weight Approx. 125 kg
   
Team  
Director of Gestione Sportiva Cesare Fiorio
Techn. Direktor Pierguido Castelli
Design engineer/s Steve Nichols
Engine Paolo Massai
   
VINs  
  122, 123, 124, 125, 126
Good to know:
  • Alain Prost left Ferrari before the Australian Grand Prix. Replaced by Gianni Morbidelli
  • 3rd place in Constructors World Championship with 55,5 points
  • 5th place Drivers World Championship by Alain Prost with 34 points
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