I have a 2010 29' V10 with 10,000 miles on it. It seemed to be using oil, so I took it to the dealer. At the last oil change, I mentioned this to them. He put a mark on the dip stick and told me to co...
If your rig is towing and working hard with a huge 30+ foot house on it's back, I think you are doing just fine. Just be sure to start with the right amount of oil after an oil change.
There is a debate on how much oil is to go in after a change. I put in 7 quarts full synthetic 5W-20, brands vary.