rfguy-
Here's a link to instructions that imply the shift lever need not be moved.
Instructions for the E-series start on sheet 15 of the PDF.
The folks at
Crutchfield could probably answer your question, too. They can also advise if there are any other potential issues with removal and installation. For instance, one link I read implied that there are harnesses to convert Ford wiring to match the new receiver you install.