| Triumph Slant-four engine | |
|---|---|
 | |
| Overview | |
| Manufacturer | Triumph Motor Company |
| Production | 1968 - 1981 |
| Layout | |
| Configuration | I4 |
| Displacement |
|
| Cylinder block material | Cast iron |
| Cylinder head material | Aluminium |
| Valvetrain | SOHC |
| Combustion | |
| Fuel system | Carburettors |
| Fuel type | Petrol |
| Oil system | Wet sump |
| Cooling system | Water-cooled |
The Triumph slant-four is an inline four-cylinder petrol car engine developed by the Triumph Motor Company. It first appeared in 1968 in the Saab 99. The first Triumph model to use the engine did not appear until 1972. With an original capacity of 1.7 L, displacement grew over time to 2.0 L. Triumph production ended in 1981.