Semi-Synthetic engine lubricant specially developed for naturally aspirated and turbocharged original engines built after 1970. This production is an updated version of the 1966's 2100 Motul engine oil which was the first semi-synthetic lubricant in the automotive market. It is formulated with modern technology detergent level and meets recent standards API SH / CF. It offers improved cold viscosity in order to reduce wear during engine start. Lubricant reinforced with a synthetic base allowing stable viscosity for a continuous engine oil pressure Semi-synthetic Multigrade; Gasoline and diesel Engines Oil For Classic Cars and vehicles Drain interval : drain at least once a year and tune to your own use. Can be mixed with synthetic or mineral oils.