I did my first oil change today. I always like to do early ones on a new engine to flush out the garbage. What a breeze to do after working on the 6.0 and the 6.4 for the last four and a half years. Topped off the tranny while I was at it, it took roughly 1/2 quart and now the oil level about 3/16" from the top of the hash marks when hot. There are no leaks to be seen so I am guessing it was not topped off at the factory. As for the oil changes, I can't believe they recommend something like 8000 miles between oil changes. The most I will let it go will be 5000. Even my diesels were getting changed every 5000 miles. I did this one at 1600 miles and I will do the next one when it hits 5000 and then every 5000 after that.
While I was underneath I was impressed with the mandrel bends in the exhaust pipes and all the insulation that is now under the cab and on the firewall. No wonder why it is so quiet.