Alfa Romeo 6C 2500 Super Sport (SS) group S (1939)
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Home » Racing Sports Cars » Alfa Romeo 6C 2500 tipo 256

Alfa-Romeo-6C-2500-SS-Corsa-Spider-6548.jpg Source

Alfa 6C register

Specifications

Production:
Model Year Units built Chassis Specifications
6C SS Spider Corsa "Ala Spessa" (256) 1939 2 915006, 915009
6C SS Spider Corsa (256) 1939-1940 5 915007, 915008, 915010, 915011, 915014 here and here
6C SS Le Mans Berlinetta "Aerodinamico" Touring (256) 1939 1 91507 here
6C MM Spider "Torpedino Brescia" (256) 1940 3 915091, 915092, 915093 here
6C Super Sport Touring Berlinetta (SS) 1939 32 915005-? here
6C SS Touring Cabriolet "Duxia" 1939 3 915015 here
6C SS Pinifarina Spider 1941 1 915026 here
6C SS Bertone Coupe 1942 1 915516 here
6C Super Sport Touring Cabriolet (SS) 1943 3 915527 here
6C SS Pinifarina Cabriolet Speciale 1946 1 915169 here
6C SS Touring Coupe 1947-1951 413 here and here and here and here
here and here "Villa d'Este"
6C SS Pinifarina Cabriolet 1948 26 here and here
Nardi-Danese Alfa Romeo Roadster 1948 3 948-05, 948-11 here
6C SS Pinifarina Coupe 1949 1 915769 here
6C SS ‘Supergioiello’ Ghia 1950 4 64251 915897 + Alfa# here and here

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Alfa Romeo Tipo 256, 6 cylinders
72.0 x 100.0 mm
2443 cc
8.0:1
125 bhp / 93 kW @ 4750 rpm (8.0:1) with 3 x carburetor
cast-iron block, light alloy head with hemispheric combustion chambers
steel crankshaft with 7 main bearings
DOHC chain driven with 4 main bearings, 2 valves / cylinder - 12 valves total. 90o angle between inlet and exhaust valve axis, 34 mm inlet valve diameter, 31 mm exhaust valve diameter
aspiration, natural with 3 x Weber 36 DO2 carburetors
(1940 MIille Miglia #80 Chiodi car: new electro-magnetic injection system by Caproni-Fuscaldo)
water cooled, 13 lt water capacity
wet sump with gear pump, 8 kg oil capacity

4 speed manual gearbox (1st and 2nd non synchronized, 3rd and 4th synchronized)
1st, 3,3/1
2nd, 1,943/1
3rd, 1,308/1
4th, 1:1
R, 3,2/1
final drive, 3.6875/1 (59/16)
Dry, single plate clutch
aluminium "Touring Superleggera" bodyshell on steel ladder frame chassis
Front suspension, twin trailing arms, coil springs, hydraulic shock absorbers
Rear suspension, swing axles, radius arms, longitudinal torsion bars, friction dampers and tubular shock absorbers
worm-and-wheel steering
sizeable, hydraulically actuated drum brakes
Wheelbase, 2700 mm (106.3 in)
Track (fr/r), 1,450 mm (57.1 in) / 1,470 mm (57.9 in)
wheels, 5.5 x 18", 6 x 18"
1130-1160 kg
fuel tank, 135 lt


Results in Endurance Races

Season
Car entry, chassis number Car number/ result
Le Mans Commingues
Date 18/6 6/8
Team 24h 3h
Raymond Sommer/ "B. Bira", 91507 (SS Le Mans Berlinetta "Aerodinamico") #25, eng ine
Statistics
Works Starts/finishes 1/0 1/0
Drivers Team entries and car number
Alfa Corse
Ercole Boratto
Clemente Biondetti

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SS Spider Touring "Ala Spessa" in Mille Miglia 1940
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6C SS Le Mans Berlinetta "Aerodinamico" Touring
1940_AlfaRomeo_6C2500SSTorpedinoBrescia1.jpg Source
1940 MM Spider "Torpedino Brescia"
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file.php?id=68945&mode=view Source39-Alfa-6C_2500-Sport-Berlinetta-RM_Amelia-1.jpg Source
1939 SS
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1949 SS Coupe Villa d'Este
Alfa-Romeo-6C-2500-SS-Pinin-Farina-Spider-37306.jpg Source
1940 SS Pinifarina Spider
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1947 SS Touring Coupe
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SS Spider Colli in Mille Miglia '48
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SS Spider Colli
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