First oil change since I picked up my Yukon last June. Just hit 160k, and 5k since I got it. Decided to make the switch to Pennzoil Platinum High Mileage 5W30 Synthetic and a Mobil 1 M1-107A filter. It's what I've been using in my Ford Focus (5W20 & M1-102A) the last few changes, and it really silenced the valve train noise I had in that. I don't have any engine noise from the Yukon, but I'd also like to keep it that way.
I also decided that I had had enough of the chrome front of the Denali trim, and blacked out the mesh insert to tone it down. The grille already had a split in the plastic frame along the lower edge directly below the emblem when I bought it. Since it was already damaged I figured it was a good test piece to see if I liked the look. Worst case I would eventually need to replace it, and could go back to the stock look at that point.
I like the way it turned out. While I had the grille off I blacked out the support frame behind the grille, epoxied the break in the plastic, and reinforced the patch with a steel bracket for some added strength.
Now once the paint cures in 5-7 days I can take it out for a wash, and get the last of the winter road salt and the new spring pollen off.