Switch to 5w20

[silver_vios]

Originally Posted by Loren

The oil that I drained out at 15k was very clean. Sort of an light orangish brown, still very translucent, not the icky black mess you'd expect if you ran dino oil for 15k.

I've changed out both mobil 1 and PP at 5-6k that is as black as sin.

Driving habits, weather, road conditions are all way too different for anyone to give any absolute oil change rule. Lots of jackrabbit driving in hilly areas will dirty up your oil much faster than a hypermiler in florida.