So I've been having some issues with my car, the main things you need to know are

-SR20DE rwd with a garrett m24 turbo, don't know what exact model
-s15 side mount intercooler
-air intake with pod filter
-past owner said upgraded hg
-turbo pushing 10psi, though im not sure, since theres no boost gauge -_-

so symptoms are lots of white smoke blowing from exhaust, oily smell from exhaust,grinding kind of noise(maybe the turbo).

video of it you should really watch - if you listen carefully theres a grinding kind of noise



be really helpful if you guys can tell me what is wrong.

Welcome to Nico!!! The search button here is your friend man. This is absolutely the most informative and in-depth forum for Nissan's on the internet and almost anything you can think of can be found quickly.

That said, first thing's first... Get a boost gauge! Second, Pull the intake tube off your turbo and see if the wheel inside has any shaft play in and out and up and down.

If there is a substantial amount of play in the turbo, then that will most likely be the culprit. Start there and report back. It sounds like a potential turbo issue to me personally.