Ford SI6 engine
| Volvo SI6 engine | |
|---|---|
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|
| Overview | |
| Manufacturer | Volvo Cars |
| Production | 2006–2015 |
| Combustion chamber | |
| Configuration | I6 |
| Displacement | 2.9 L – 3.2 L |
| Cylinder block alloy | Aluminum |
| Cylinder head alloy | Aluminum |
| Valvetrain | DOHC |
| Combustion | |
| Fuel system | Fuel injection |
| Management | Bosch ME |
| Fuel type | Petrol |
| Oil system | Wet sump |
| Cooling system | Water-cooled |
| Chronology | |
| Predecessor | Volvo Modular Engine |
| Successor | VEA |
| Exhaust | |
| Emissions target standard |
Euro 5+ SULEV |
| Emissions control technology | Catalytic converter |
Volvo designed the SI6 ("short inline 6") straight-6 automobile engine for use in 2007 models. An evolution of the company's long-used straight-5 Volvo Modular engine, which itself is an evolution of the Volvo B6304 straight six engine, the SI6 can be mounted transversely for front wheel drive or all wheel drive applications. Despite the added cylinder and displacement, the engine remains compact, and is in fact 1 mm (0.04 in) shorter than the previous straight-5. The engine was initially offered in two displacements — a 3.0 L turbocharged version and a 3.2 L naturally aspirated version. Both offered variable cam timing, though only the turbo version varies both the intake and exhaust valves. On top of the variable cam timing used on the intake cam of the naturally aspirated engine it also had variable valve lift by using Cam Profile Switching (CPS).
Production of the Volvo SI6 began at the Ford Bridgend Engine Plant in Wales in May 2006. It was assumed that the engines would be used in European Ford and Jaguar products as well as Volvos.
The engine codes consist of a series of letters and digits:
Engine codes are not necessarily unique to a specific engine as power levels can vary depending on market, manufacturer and model.
The 3.0 L turbocharged engine is available in a light-pressure turbo (LPT) version. Cylinder bore is 82.0 mm (3.23 in) and stroke is 93.2 mm (3.67 in) with a compression ratio of 9.3:1.
In 2010 for MY2011 a new upgraded version was unveiled with the new Volvo S60 giving higher output and lower fuel consumption to replace the old T6 in all cars.
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Wikipedia