You can try AMSOIL oil, there are less fake ones, 5w-30 has a low viscosity and is more suitable for Japanese cars. It focuses on quietness and long-lasting effect. Of course, the signature series is better, XL You can also use it. It may not have the long-lasting effect of the signature series, but the price is more affordable. For Shell, the 6-cylinder engine should drink some good oil. The ash shell is fully synthetic and has longer durability. You can extend the oil change time appropriately