Instead of trying to maintain this across three or four threads and an old wiki page, how about a single page where all the data from various people in different threads can be collected into a single list?
http://www.nsxprime.com/nsx-faq/weight-reduction/
Michael I just set you up as an editor for the list. The system sent you an e-mail with your password but there's a good chance it went to your spam folder so check there. Log in, click on TablePress, then edit the OEM Part Weights table.
I just did a rough import of a few different lists I found so there may be some duplicates. You can link them all