OK WHAT CAN BE DONE IS GET SOME HARD WOOD GLUE & PIN IT TO THE FIRE WALL & DRILL THE HOLE THREW THAT & PUT THE NUT ON THE REAR AS YOU HAVE DONE WITH THE OTHERS.
THE NEW HOLE WILL GO THREW THE FIRE WALL A TAD & THE BLOCK THAT IS PIND & GLUED TO THE BOTOM OF THE MOTOR BOX
CG