Hi
Looks like a great project.Would love one for my tow truck.
How about using some heavy guage pipe around the hole,should be able to bend it to match the opening and weld the remaining supports to it.Roll the edge of the hole around it for a finished look a few spot welds should keep the tin from rattling
Keep the pic's coming
Thomas
90 Chev 3500 c/c 4x4,6.2na,400 auto,4:10 gears.DSG Timing gears,main girdle, isspro tach, pyro,boost,oil and trany temp.Dual Tstats, High volume peninsular pump,on shelf, Custom turbo and intercooler 85%complete. Change of plans for the dually, it's going to get a Cummins. Both trucks are Blue 90 4x4 crews