hey bud.. just checked up on the oil for her... found the motul turbolight 4100... found it quite expensive .. was about 60$... u sure i should stick to that for a n/a skyline? i know u all run that oil.... but im sure u guys running turbo aswell........did you mean the penrite might be alright.. or did u mean dump the 30$ oils completely.. sorry bud bit confused now ..