The 2007 3-valve V10 does not need EGR delete like earlier versions. Focus on regular maintenance: Motorcraft spark plugs, synthetic oil, and transmission fluid changes. Engine is reliable as-is.
Clear paint protection film on lower windshield can reduce rock chip damage. Use quality PPF and professional installation. Cover 12-15 inches from bottom, below sightline.
The Thetford Aria Deluxe 2 blade assembly must be installed with specific washer placement and proper seal alignment to prevent leaks. The large rubber washer goes between the assembly and bowl, while smaller washers seal the mounting bolts.