Scott, I did some quick searches here and found the following threads that should have a ton of useful info for you…
Steve O restored his '70 not too long ago and documented darn near everything. While his is not an Eliminator, a lot of the details, tips and tricks will probably be useful.
Interior Resto: https://cccforum.discoursehosting.net/t/1970-cougar-interior-restoration-thread/1939/1
Exterior Resto: https://cccforum.discoursehosting.net/t/1970-cougar-exterior-restoration-thread/1456/1
Two other Lower Dash threads that popped up. Good tips in these as well;
https://cccforum.discoursehosting.net/t/dash-steering-column-color/1878/1
https://cccforum.discoursehosting.net/t/advice-on-lower-dash-disassembly/3001/1