Hey folks -- I have a 2012 Chevey 2500HD w/the 6.6 Duramax. I seem to be having trouble with the engine using oil bewteen changes. I've been using Shell Rotella-T 15-40W and just did my 3rd oil chang...
Never had an issue with any of my three duramax trucks- At any rate, I wouldn't worry about it. If you have an issue it will show up way before you get to 100k miles and the warranty will cover it.