Daniel: Re - "I think the
Daniel: Re - "I think the frequency of the change is more important than the specific brand of oil and filter (within reason)." From my perspective it sounds like you have your maintenance well in hand. However on the other hand, frequency of the oil change interval is only second to the characteristics of the lubricants and oil analysis of the used oil. In my case the AMSOIL I use has shown a result that replacing it was not needed.