Yea I agree that 7500 miles is really not that big a deal. In Europe they go lots farther then the marketing kings here at 3000 miles. No oil on the stick that not great.
On the front belly tray just attach it to the lower part of the front grill and go back to the end of the engine bay. There's lots of choices to use. I think cloroplast is the favorite. It's the stuff campaign signs are made of.
A vacuum gauge can be bought at any auto parts store and probably at wal mart. Search the web you'll find all kinds of stuff.