BRUN said:seems to be asked every day lately lol
5W-40........fully synthetic, though not all are equal
some of the best are Silkolene Pro S, and Motul 300V, then you have the likes of Fuchs Titan Supersyn and Mobil 1.......then the lesser fully synthetics which arent really fully synthetics, like Elf, Shell, Carlube, Duckhams etc etc etc