Thanks for the help! A company emailed me some old data they had and I am attaching it for future reference.
THanks!
Claytonhttp://files.engineering.com/getfile.aspx?folder=63abae65-4a30-4ce9-bb7f-5aebac57bf5a&file=old_8x16_tables-60s.pdf
Thanks for the file. The size I am looking was not in there. I found some similar data for flexicore hollow core but it was for the 2' wide variant. I am still struggling to find anything for the 16" width.