| Specifications: |
| Production
Period: |
1958-1959 |
| Designed
By: |
Alfieri |
| Body
Built By: |
Fantuzzi
- single seater in aluminium
The 1959 model adopted the 420M/59 |
| Number
Built: |
1
(+2 engines sold to Tony Parravano) |
| Dry
Weight: |
758
kg |
| Top
Speed: |
350
kph |
| Engine
Type: |
Front,
8 cylinders arranged in 90º "V" |
| Bore
and Stroke: |
93.8x75.8
mm |
| Displacement: |
4190.4
cc |
| Compression: |
12:1 |
| Engine
Output: |
410
bhp @ 8000 rpm |
| Valves
& Actuation: |
Two
OHV per cylinder with dual overhead camshafts per bank |
| Carburettion: |
Free
induction with 4 Weber 46IDM carburettors |
| Ignition: |
Double
with Marelli magnetos |
| Lubrication: |
Forced
with pressure and scavenger pumps |
| Drive: |
Rear
wheel drive |
| Clutch: |
Dry
multi-disc |
| Gearbox: |
On
rear axle, 2-speeds plus reverse |
| Frame: |
Tubular
trellis |
| Suspension
- Front: |
Independent
wheels with coil springs and hydraulic shock absorbers |
| Suspension
- Rear: |
De
Dion axle, transverse leaf springs and double hydraulic shock
absorbers |
| Brakes: |
Hydraulically
operated wheel drums |
| Wheelbase: |
2400
mm |
| Front
& Rear Track: |
1300
mm front; 1250 mm rear |
| Wheels
& Tyres: |
Halibrand
discs
Tyres: Firestone 7.60-8.00x16 front; 8.00x18 rear |