2009 Volvo S80 Owner's Manual - Page 274

06 Maintenance and specifications Specifications Specification/Model Torque (Nm/rps) Torque (ft. lbs./rpm) No. of cylinders Bore (in/mm) Stroke (in/mm) Displacement Compression ratio 3.2 6-cyl. 320/53 236/3200 6 3.3/84 3.78/96 3.19 liters (194.8 cu. in.) 10.8:1 3.0T 400/25 - 80 295/1500 - 4800 6 3.23/82 3.67/93.2 2.95 liters (175 cu. in.) 9.3:1 Synthetic oil is not used when the oil is changed at the normal maintenance services. This oil is only used at customer request, at additional charge. Please consult your Volvo retailer. V8 440/66 325/3950 8 3.7/94 3.13/79.5 4.4 liters (269.4 cu. in.) 10.4:1 Engine oil Engine oil must meet the minimum ILSAC specification GF-4, API SL, or ACEA A1/B1. Lower quality oils may not offer the same fuel economy, engine performance, or engine protection. Volvo recommends Castrol. Depending on your driving habits, premium or synthetic oils may provide superior fuel economy and engine protection. Consult your Volvo retailer for recommendations on premium or synthetic oils. Oil additives must not be used. 06 Oil viscosity (stable ambient temperatures) Operation in hot climates When temperatures exceed 104 °F (40 °C) in your area, Volvo recommends, for the protection of your engine, that you use a heavier weight oil, such as such as SAE 5W-40 or 0W-40. See the viscosity chart. G023491 Viscosity table Operation in temperate climates Incorrect viscosity oil can shorten engine life. Under normal use when temperatures do not exceed 104 °F (40 °C), SAE 5W-30 will provide 274