I recently did the same repair to my 40, I just got a sheet metal shop to roll a 150mm radius and I did the rest.. Same method as yours.. Worked well for me..
IH8MUD.com - View Single Post - So I got a bit excited repairing some trail damage and now have questions
IH8MUD.com - View Single Post - So I got a bit excited repairing some trail damage and now have questions