I made a decision I would just make my second firewall pass thru and return the other one I bought from Aircraft Spruce. Since I have more than enough material from the small supply that I bought from McMaster-Carr to make several more, I decided to make one for me and made a few more rather than let the material just sit around and get dusty.
So I started a second one for me and the extras and just put some time on the log for the one I need.