I got an aftermarket interior kit and then added a lot of extra items based on both the extensive photos on Prime Portal as well as info in the TMs.
In addition to the interior, I've also decided to tackle the complete engine compartment.
Here are some shots of the interior. The full set of all photos so far is located at the link.











http://s360.photobucket.com/user/thathaway3/library/M-88A1%20Project?sort=9&page=1