Its your car Roger-------------


However you are dealing with a frame with a c notch cut over the rear axle and using a poorly braced open top body----if you would place a cross pole in/at that c notch, you would eliminate most of the flex------------maybe some of the other body work guys will chime in--------








and Roger this isn't just nitpicking your work but trying to contribute some usful info to a thread that might be helpful to some others--------