i am slightly confuse after reading the debate on mineral oil and FS OCI (i assume oil change interval?)

So what's exactly the benefit of FS over mineral if both is actually better be changed at 5k? as it sounds like contaminant is more of a reason to change oil rather than the protection wearing off...
the cost of FS is a lot higher.. a bit concern coz the car manual stated FS and oil change every 10k...

This post has been edited by EpsilonStar: May 6 2012, 10:01 PM