Engine oil Torsynth 5W40 Torsynth 5W-40 is a modern fuel-saving, universal engine oil based on synthetic base oils, which naturally have a high viscosity index. Balanced additives have been added to achieve the following properties: Fuel saving (up to 2%) A very high viscosity index and high resistance to shearing A smooth cold start A safe lubricating film at high temperatures Very good detergent and dispersant action (thus high Black Sludge prevention) Very strong anti-wear, anti-corrosion and anti-foam properties Suitable for cars with the most modern catalytic converter technologies Application Torsynth 5W-40 is a universal, fuel-saving engine oil, suitable for all petrol and diesel engines, both with and without turbocharging, in passenger cars and vans.