Vehicle frame assembly and methods for making

The present invention relates to methods for producing vehicle frame assemblies. Some of the disclosed methods include forming a wedge and support assembly between a connecting element comprising a first material composition, and a cross member, comprising a second material composition; Fixing the connecting element and of the crossbeam on the wedge and support assembly at a location; Insertion of the connecting element and of the crossbeam in a longitudinal beam and welding the connecting element to the longitudinal member at a different location.