Fiat 1900b (1957-58)
The Car
Coming soon
The Specs
Below are the technical specifications and any performance numbers we could get.
Engine
| Bore & Stroke | 82mm x 90mm |
| Displacement |
1901cc
|
| Firing order | 1,3,4,2 |
| Oil pressure (hot) |
35.5-42.6 lb./sq. in.
|
Fuel Supply
| Carburetor | Weber 36 D1T5 |
| Primary Choke |
0.9449″
|
| Secondary Choke |
0.9449″
|
| Primary Main jet |
1.35 mm
|
| Secondary Main jet |
1.25 mm
|
| Idle jet |
0.55 mm
|
| Starting jet |
1.80 mm
|
Valving
| Intake tappet clearance |
0.006″ (cold)
|
| Exhaust tappet clearance |
0.006″ (cold)
|
| Valve-timing indication | Timing wheels |
| Intake valve opens |
11° BTDC Tappet clearance for timing 0.0146″
|
Ignition
| Breaker gap | 0.016″-0.019″ |
| Plug gap | 0.019-0.024 |
| Ignition timing indication |
Pulley and cover
|
| Ignition timing |
TDC
|
Clutch
| Clutch type | Single Dry Plate and fluid flywheel |
| Clutch linings |
–
|
Brakes
| Brake type |
Lockheed Hydraulic with booster
|
| Brake linings |
Width 55 mm
|
Wheel Alignment
| Toe-In | 2 to 4 mm |
| Camber | 4 to 5 mm (at rims) |
| Caster angle | 0°30′ |
| King pin angle |
–
|
