Best engine oil for all purpose use
I need your opinion on which engine oil I should use in my car.
I have some choices e.g.:
Mobil1 0w40 new life (SM/CF)
Shell helix racing 10w60 (SM/CF)
And motul 5w50 (SM/CF)
any other engine oils that I can use or are these the best engine oil I can use?
Now: R35 GTR JDM - R32 GTS4
Past: R33 GTR sgl turbo