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1953 O.S.C.A. MT4-2AD 1100
NEW FEATURE
Chassis no.
1127
Engine no.
1403
Coachbuilder
Frua
Beacon
ON/OFF
ON/OFF
Chassis
From 1953
Chassis 1127
Dampers Telescopic Type
Drum Brakes Front-Rear Hydraulic Operation
Front Suspension Unequal double wishbones and coil springs
Chassis Frame Tubular Frame
Rears Suspension Live axle with leafsprings
Steering Worm and sector
Wheel track front 1200 mm
Wheel track rear 1150 mm
Wheelbase 2200 mm
Engine
From 1960
Arrangement Inline
Bore 78 mm
Stroke 76 mm
Compression Ratio 9 : 1
Cooling System Water Cooled
Cubic displacement 1453 cc
Cylinders 4
Engine 1403
Fuel System Carburettors type Weber 40 DCO3
Fuel System Carburettors Number 2
Gearbox Number of forward speed 4
Manufacturer OSCA
Maximum power 110 hp
Maximum power 6300 rpm
Notes Engine Engine no. 1403 — originally built in 1,400 cc 2AD specification and associated with chassis no. 1137; subsequently enlarged to 1,450 cc and presumed to have been fitted to chassis no. 1127 late in its racing career or during its subsequent post-racing life. The exact date and circumstances remain under investigation.
Fuel Type Petrol-Gasoline
Valves per cylinder 2
Valvetrain DOHC
Transmission Wheel drive Rear wheel drive
Previous Engines View all (2)
Historical Engine
From 1953
Arrangement Inline
Bore 75 mm
Stroke 76 mm
Cooling System Water Cooled
Cubic displacement 1342 cc
Cylinders 4
Engine 1310
Engine Type Front
Gearbox Number of forward speed 4
Manufacturer O.S.C.A.
Notes Engine By November 1953 the car was advertised as a 1,342 cc MT4 with a recently overhauled engine; whether the overhaul included the increase in displacement from its previously recorded 1,100 cc specification has not been established.
Transmission Clutch Dry single disc Hydraulic
Fuel Type Petrol-Gasoline
Valves per cylinder 2
Valvetrain DOHC
Transmission Wheel drive Rear wheel drive
Historical Engine
From 1953
Arrangement Inline
Bore 70 mm
Stroke 71 mm
Cooling System Water Cooled
Cubic displacement 1092 cc
Cylinders 4
Engine 1310
Engine Type Front
Gearbox Number of forward speed 4
Manufacturer O.S.C.A.
Maximum power 72 hp
Maximum power 6000 rpm
Transmission Clutch Dry single disc Hydraulic
Fuel Type Petrol-Gasoline
Valves per cylinder 2
Valvetrain OHC
Transmission Wheel drive Rear wheel drive
Body
From 2003
Coachbuilder Frua
Colour Red
Wheels type Wire
Height 95 mm
Lenghth 340 mm
Material Aluminum
Notes body 9-bar front grille, two rows of 17 bonnet louvers and asymmetric side vents: 6 on the left and 5 on the right.
Number of doors 2
Number of wheels 4
Type of body Sport and Barchetta
Tyres Front size 155-15
Tyres Rear size 155-15
Unladen weight 550 kg
Width 150 mm
Previous Bodies View all (1)
Historical Body
From 1953
Coachbuilder Frua
Colour White
Colours Description Repainted bright red following the Bergstrom accident in April 1953; later returned to white.
Wheels type Wire
Height 95 mm
Lenghth 340 mm
Material Aluminum
Notes body 9-bar front grille, two rows of 17 bonnet louvers and asymmetric side vents: 6 on the left and 5 on the right.
Number of doors 2
Number of wheels 4
Type of body Sport and Barchetta
Tyres Front size 155-15
Tyres Rear size 155-15
Unladen weight 550 kg
Width 150 mm
Interior
From 2026
Cockpit/panels Grey
Hand drive LHD - Left Hand Drive
Number of seats 2
Seats Black