Originally Posted by JARblue

I'd be interested to see what Blackstone had to say about the 15K and 20K intervals...


Just because you can doesn't mean you should. Oil changes are way too cheap and easy to be waiting for 20K mile intervals. I was doing them every 2-3 months when my car was my daily driver - I can't imagine what that Mobil 1 oil would look like after waiting an entire year to do one