Saab B engine
| B engine | |
|---|---|
| Overview | |
| Manufacturer | Saab Automobile | 
| Production | 1972-1981 | 
| Layout | |
| Configuration | Inline-4 | 
| Displacement | 2.0 L; 121.1 cu in (1,985 cc) | 
| Cylinder bore | 90 mm (3.54 in) | 
| Piston stroke | 78 mm (3.07 in) | 
| Cylinder block material | Cast iron | 
| Cylinder head material | Aluminium | 
| Valvetrain | SOHC | 
| Compression ratio | 7.2:1, 7.5:1, 8.7:1, 9.0:1, 9.2:1, 9.5:1 | 
| Combustion | |
| Turbocharger | Single Garrett AiResearch T3 (99 Turbo) | 
| Fuel system | Zenith-Stromberg carburettors Mechanical fuel injection | 
| Management | Bosch D-Jetronic | 
| Fuel type | Petrol | 
| Oil system | Wet sump | 
| Cooling system | Water-cooled | 
| Output | |
| Power output | 85–220 hp (63.4–164.1 kW) | 
| Torque output | 157–174 lb⋅ft (213–236 N⋅m) | 
| Emissions | |
| Emissions control systems | Catalytic converter | 
| Chronology | |
| Predecessor | Triumph slant-four engine | 
| Successor | Saab H engine | 
The Saab B engine is an inline four-cylinder car petrol engine developed by Saab Automobile. A redesign of the Triumph slant-four engine, the B engine displaced 2.0 L and first appeared in 1972. The B engine was used in the Saab 99 and 900 models. Saab began to phase the engine out in 1981.