it needs to be a hell of allot of oil in the intake to be making you smoke out your exhaust...
I had the issue where the oil backed up through the turbo once, it soaked my downpipe and it smoked for days after... or it could still be backing up...
I had the issue where the oil backed up through the turbo once, it soaked my downpipe and it smoked for days after... or it could still be backing up...