back to your origional question!!
many 'works' rally teams in the 70's filled cills and voids with expanding foam.
reasons lightweight, adds a lot of strenght to a cill section. they however were in the enviable position of not having to weld sh*t to sh*t in the future
many 'works' rally teams in the 70's filled cills and voids with expanding foam.
reasons lightweight, adds a lot of strenght to a cill section. they however were in the enviable position of not having to weld sh*t to sh*t in the future