rotella makes some awesome oil. I use it rotella t-6 5w-40 in my zx-10r, pickup, and my Chevy 350 powered 240sx. I use Amsoil in my 370Z because of the VVL makes for a lot of friction on the cam and cooks the oil. Nissan recommends using ester based oil which Motul, Amsoil, and Redline are. These are the only ones I know of an Amsoil is the only one I have in a store near me.