Originally Posted by Quicksilvers

According to Nissan the best choice is to run a ester enriched motor oil like Motul or Redline etc. with a quality oil filter preferably with synthetic media. It also matters what fuel you are using? Using only a top tier gasoline is highly recommended by Nissan. When I found this out I started using top tier Chevron and Texaco as soon as possible. It seems you will find a lot of the gasoline companies have mixed a percent of ethanol in their gasoline’s.