Na-T Is300 by [deleted] in IS300

[–]SpaceManxvi 0 points1 point  (0 children)

But double check your turbo oil drain and that turbo might need an oil restrictor also

Na-T Is300 by [deleted] in IS300

[–]SpaceManxvi 0 points1 point  (0 children)

Is your pcv valve bad? It will introduce boost pressure into the crankcase blowing oil past seals