Volvo SI6 engine

Last updated
Volvo SI6 engine
Volvo S60 Polestar - T6 3.0l V6 turbo (MSP16).jpg
Overview
Manufacturer Volvo Cars/Ford Motor Company
Production2006–2015 [1]
Layout
Configuration Inline-6
Displacement 3.0–3.2 L (2,953–3,192 cc)
Cylinder bore 82 mm (3.23 in)
84 mm (3.31 in)
Piston stroke 93.2 mm (3.67 in)
96 mm (3.78 in)
Block materialAluminum
Head materialAluminum
Valvetrain DOHC 4 valves x cyl. with VVT and VVL
Compression ratio 9.3:1, 10.8:1
Combustion
Turbocharger Low pressure with intercooler (on 3.0 L versions)
Fuel system Fuel injection
Management Bosch ME
Fuel type Petrol
Oil system Wet sump
Cooling system Water-cooled
Output
Power output 233–350 PS (171–257 kW; 230–345 hp)
Torque output 300–500 N⋅m (221–369 lb⋅ft)
Dimensions
Dry weight190 kg (420 lb) [2]
Emissions
Emissions target standard
Emissions control technology Catalytic converter
Chronology
Predecessor Volvo Modular Engine
Successor VEA

The SI6 (Short Inline 6) is a family of straight-six engines developed by Volvo and used by Land Rover and Volvo.

Contents

History

Volvo designed the SI6 [3] ("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 (0.039 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. [4] [5]

Nomenclature

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.

3.0

The 3.0 L (2,953 cc) straight-six engine is intercooled and turbocharged. Cylinder bore and stroke are 82 mm × 93.2 mm (3.23 in × 3.67 in) with a compression ratio of 9.3:1.

B6304T2

The B6304T2 has a power output of 285 PS (210 kW; 281 hp) at 5600 rpm, and produces 400 N⋅m (295 lb⋅ft) of torque at 1500–4800 rpm.

Applications:

B6304T4

The B6304T4 [8] has a power output of 304 PS (224 kW; 300 hp) at 5600 rpm, and produces 440 N⋅m (325 lb⋅ft) of torque at 2100–4200 rpm. [9]

Applications:

B6304T5

The B6304T5 has a power output of 350 PS (257 kW; 345 hp) at 5250 rpm, and produces 500 N⋅m (369 lb⋅ft) of torque at 3000–4750 rpm. [10]

Applications:

3.2

The 3.2 L (3,192 cc) straight-six engine is naturally aspirated. Cylinder bore and stroke are 84 mm × 96 mm (3.31 in × 3.78 in) with a compression ratio of 10.8:1.

B6324S

The B6324S has a power output of 238 PS (175 kW; 235 hp) at 6200 rpm, and produces 320 N⋅m (236 lb⋅ft) of torque at 3200 rpm. [12]

Applications:

B6324S2

The B6324S2 has a power output of 228 PS (165 kW; 225 hp) at 6200 rpm, and produces 300 N⋅m (222 lb⋅ft) of torque at 3200 rpm. Applications:

B6324S4

The B6324S4 has a power output of 241 PS (177 kW; 238 hp) at 6200 rpm, and produces 320 N⋅m (236 lb⋅ft) of torque at 3200 rpm.

Applications:

B6324S5

The B6324S5 has a power output of 243 PS (179 kW; 240 hp) at 5600 rpm, and produces 320 N⋅m (236 lb⋅ft) of torque at 3200 rpm. [9]
In its PZEV version power output is reduced to 234 PS (172 kW; 231 hp) at ????rpm and produces 300 N⋅m (220 lb⋅ft) of torque at ???? rpm.

ModelPowerTorque
3.2245 PS (180 kW; 242 hp)320 N⋅m (236 lb⋅ft)
3.2 PZEV234 PS (172 kW; 231 hp)300 N⋅m (221 lb⋅ft)

Applications:


Applications:

See also

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References

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