Chassis Ties 69 Dart Conv.

Might as will bolt them tight up against the floor and weld them in. Run a bead along where they contact the floor. Either that or sell them and get some US Cartool subframe connectors.

You can cut them out, grind down where they were welded, do a little bodywork and they guys that move the cars around the museum at night 100 years from now will never know they where there.