I've been using synthetic oil in Hondas since at least the 1980's without problems. Last year they insisted on not using synthetic oil on my car.

I can understand a "going by the book" mentalitity to reduce recalls and lawsuits, but if this is what it is, it seems overboard.

Mobil One has been out for thirty years - what's the problem?

61.5mpg lifetime - 82mpg in recent months

Best Run >
www.cleanmpg.com

"fanatic" is what the lazy call the dedicated