Ferrari 250 MM group S (1953)

Home » Racing Sports Cars » Ferrari 250 MM

1280px-Ferrari_250_MM_Berlinetta_-_MM_2014_-_%2814241703734%29.jpg Source

Chassis numbers here and here


31 units built (18 PF Berlinetta, 2 Vignale Spyder S1, 4 Vignale Spyder S2, 6 Vignale Spyder S3, 1 Vignale Berlinetta)
Click here and here and here
Click here and here and here for Pininfarina Berlinetta
Click here for Vignale Coupe
Click here for Vignale spider


Analytical specifications and drawings

V12 (60o) cylinder
2953cc capacity
SOHC with 2 valves per cylinders
Natural aspiration with 3 x Weber 36 DCZ Carburetors
Power output, 240 HP / 177 KW @ 7200 rpm
Torque, 250 Nm / 184 ft lbs @ 5000 rpm

4 speed manual gearbox
1st: 2.285/1
2nd: 1.70/1
3rd: 1.255/1
4th: 1.00/1
R: 2.955/1
final drive, 3.636/1, 4.00/1, 4.25/1, 4.444/1
steel elliptical-section steel welded tube ladder type rolling chassis, aluminium bodyshell
f suspension Double Wishbones, lower transverse leaf spring
r suspension live axle, semi-elliptic longitudinal leaf springs
worm-and-wheel steering
hydraulic drum brakes all around
length 4000 mm (157.5 in)
width 1570 mm / 61.8 in
height 1300 mm / 51.2 in
wheelbase 2400 mm (94.5 in)
f/r track 1300 mm (51.2 in) / 1320 mm (52 in)
tires, front 5.50 x 16" or 6.40 x 15", rear 6.00 x 16" or 6.40 x 15"
fuel tank, 150 lt
drag coefficient, 0.45

Results in WSCC

Car entry, chassis number Car number/ result
Sebring Mille Miglia Le Mans Spa Nurb Tourist Trophy Carrera Pan
Team 12h 1600km 24h 24h 1000km
Ferrari Spa, 0256MM (PF Berlinetta) #609, diffe rential
Ferrari Spa, 0326MM (Vignale Spyder II) #625, brakes
Paolo Marzotto/ Marino Marini, 0254MM #543, fire
Roberto Rosselini/ Aldo Tonti, 0230MM (Vignale Spyder I) #544, diffe rential
Bianca Maria Piazza/ Mario Piazza, 0270MM (PF Berlinetta) #605, acci dent
Bruno Sterzi/ Giulio Rovelli, 0258MM (PF Berlinetta) #627, dnf #32, in entry list*
Massimo Orlandi/ Luciano Fontana, 0252MM (PF Berlinetta) #628, in entry list
Giulio Cabianca/ Gianfranco Roghi, 0282MM (Vignale Spyder II) #633, 9th
Piero Scotti/ Giulio Contini, 0274MM (Vignale Spyder II) #636, dnf
Efrain Ruiz-Echeverria/ Pedro Villegas Becerril, 0352MM #5, 11th
McAfee #33, in entry list
Total points
Works Starts/finishes 9/2 8/1 1/1
Drivers Team entries and car number
Ferrari Spa
Giovanni Bracco 609
Alfonso Rolfo 609
Mike Hawthorn 625
Azelio Cappi 625
Ernie McAfee 33
Jack McAfee 33

*Franco Cornacchia/Dorino Serafini entry

6170975858_ae3375be75.jpg Source
ferrari_250-mm-berlinetta-pininfarina-1953_r20.jpg Source


chassis1292.jpg Source
ferrari_250_mille-miglia_52.jpg Source
Unless otherwise stated, the content of this page is licensed under Creative Commons Attribution-ShareAlike 3.0 License