| Specifications: |
| Production
Period: |
1954-1958 |
| Designed
By: |
Columbo,
Bellentani & later Giulio Alfieri |
| Body
Built By: |
Fantuzzi
- single seater in aluminium |
| Number
Built: |
31 |
| Dry
Weight: |
670-630
kg ( 550 kg in 1958) |
| Top
Speed: |
290
kph |
| Engine
Type: |
Front,
vertical in-line six cylinders |
| Bore
and Stroke: |
84x75
mm |
| Displacement: |
2493.8
cc |
| Compression: |
12:1
(10.8:1 in 1958) |
| Engine
Output: |
240-270
bhp @ 7200-8000 rpm |
| Valves
& Actuation: |
Two
valves per cylinder with dual overhead camshafts |
| Carburettion: |
Free
induction with 3 Weber 42DCO3 - 45DCOS (also indirect injection from
1953) |
| Ignition: |
Double
with two Marelli magnetos |
| Lubrication: |
Forced
with pressure and scavenger pumps |
| Drive: |
Rear
wheel drive |
| Clutch: |
Dry
multi-disc |
| Gearbox: |
In
unit with differential, 4-speeds plus reverse |
| Frame: |
Tubular
trellis - reticular from 1957 |
| Suspension
- Front: |
Independent
wheels, coil springs and Houdaille shock absorbers |
| Suspension
- Rear: |
De
Dion axle, transverse leaf springs and Houdaille shock absorbers |
| Brakes: |
Hydraulically
operated wheel drums |
| Wheelbase: |
2280
mm - 2225 mm - 1957, 2200 mm - 1958 |
| Front
& Rear Track: |
1300
mm front; 1250 mm rear
1310 mm front; 1250 mm rear - 1958 |
| Wheels
& Tyres: |
Spoked:
4,00x15 front; 5.50x16- 6.00x17 rear |