Hello Ken31, and welcome to Chevy Chatter II
Firing order is: 1-5-3-6-2-4, with number 1 being at the front and number 6 at the rear.
Here's a website with lots of info on the 31:
http://1931chevrolet.com/This site was set up by Chevy Chatter II's own webmaster, Mr. Bill Barker.
You'll find a lot of good people here on Chatter II with years and years of experience, and more than willing to help with any questions.
Good luck with your project.
Happy Motoring,
Dan