been a member for awhile just thought I would say hello

Hope everybody had a great Thanksgiving...
I drove my 38 Chevy that I made into a convertible on the 5 hour trip back to my roots, anyway the frame is a little flimsy after I cut the top off, and suggestions on what thickness of metal would be the best to get the frame back up to snuff, any suggestions are appreciated, thanks Clarence

 

I have a couple of 59 chevy pickups if anybody needs any parts