From 1998 to 2001, the company produced the 2.8-liter twin-turbo Volvo B6284T engine, which was limited to the top S80 model modifications under its own T6 index. A comparable power unit with the B6294T index took the place of this motor.
The B6294S, B6294T, and B6304S are members of the 6-cylinder modular engine family.
The engine was mounted on:
- Volvo S80 I (184) in 1998 – 2001.
Specifications
| Production years | 1998-2001 |
| Displacement, cc | 2783 |
| Fuel system | injector |
| Power output, hp | 272 |
| Torque output, Nm | 380 |
| Cylinder block | aluminum R6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 81 |
| Piston stroke, mm | 90 |
| Compression ratio | 8.5 |
| Features | DOHC, intercooler |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | at the exhaust |
| Turbocharging | twin-turbocharged |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 6.7 |
| Fuel type | petrol |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Volvo S80 2000) — city — highway — combined |
16.7 8.2 12.4 |
| Engine lifespan, km | ~240 000 |
Disadvantages of the B6284T engine
Magneti Marelli’s whimsical electronic throttle is another feature of this powerful twin-turbo engine, which is well-known for its high fuel consumption and pricey parts.
Here, phase control system leaks and intake air leaks frequently happen;
Keep an eye on the timing belt’s condition because a broken one necessitates a head repair;
The gas pump, water pump, and unit supports are not very expensive resources.