You goto home depote & buy the air compressor oil seperator with the little pcock drain on the bottom of it the tube is glass and clear. It cost ~$24 and you place it in series between the valve cover and throttle body or the port in front of the turbo.
The arrow on it shows you the direction of airflow drain it once every 1-2 months & enjoy.
Try to mount it somewhere cool so that it is most effective also!