Volvo 121 B16A Engine (1958-60)
The Car
Coming soon
The Specs
Below are the technical specifications and any performance numbers we could get.
Engine
| Bore & Stroke |
79.37mm x 80mm |
| Displacement |
1580cc |
| Firing order |
1,3,4,2 |
| Oil pressure (hot) |
49.7 lb./sq. in. |
Fuel Supply
| Carburetor |
Down draft |
| Choke |
34 mm |
| Main |
0.97 mm |
| Compensating |
0.97 mm |
| Slow Running |
0.50 mm |
| Needle |
1.75 mm |
Valving
| Intake tappet clearance |
0.40 mm (hot) |
| Exhaust tappet clearance |
0.40 mm (hot) |
| Valve-timing indication |
Marking in gear and flywheel |
| Intake valve opens |
10° ATDC 1.1 mm clearance |
Ignition
| Breaker gap |
0.4 – 0.5 mm |
| Plug gap |
0.7 mm |
| Ignition timing indication |
Gradation in the flywheel |
| Ignition timing |
2° to 4° BTDC |
Clutch
| Clutch type |
Single Dry Plate |
| Clutch linings |
8″ x 1⁄8“ |
Brakes
| Brake type |
Hydraulic (Later models: Hydraulic duo servo) |
| Brake linings |
Front: 2″ x 3⁄16” x 10¼”; Rear: 2″ x 3⁄16” x 77⁄8”
[Later models: Rear lining, front, 2″ x ¼” to 3⁄16” x 10.8″. Front lining, front, 2″ x 3⁄16” x 10.8″. Rear linings, 2″ x 3⁄16” x 9.8″]
|
Wheel Alignment
| Toe-In |
0 to 4 mm |
| Camber |
0° to +½° |
| Caster angle |
-½° to +½° (From chassis No. 2611: 0° to 1°) |
| King pin angle |
8° |
