2006 Infiniti G35 Q&A

2006 Infiniti G35 Question: use of synthetic motor oil? good -or-bad

Mt mechanic recommends it... just wondering -
Answer 1
i believe that car calls for it. my belief is there is nothing better for a car than oil cahnges every 3k miles,syn will let you go like triple the mileage.but is that really good? its your call -
Answer 2
Check oil fill cap for spec. or owners manual. -