Synthetic Oil for 370z; Amsoil?

GMZ

So you wouldnt use Redline or Motul either? More for me

kannibul

No, I wouldn't unless it was recommended highly or was proven w/ street vehicle use and the extra cost being "worth" it...same with AMSOIL and their ball bearing test. Last I checked, there aren't any ball bearings in a car engine.

The whole GroupV vs GroupIV...what makes GroupV actually "better"?

Personally, I think as long as the oil and filter are changed at the manufacturer's recommended intervals, one could easily put in the cheapest oil that meets the specifications and the engine should be fine.

GMZ

Amsoil, Redline, Motul, et al is recommended highly and has been proven, esp with long OCI's.

Im really just joshin ya now , I used Nissan filters and Syntec in my 350 with amazing results(UOA proven), so Im still not 100% sold on Redline et al just yet. I do have time and money to spare though so wth