If I do it now I am afraid that the shell might twist!.
3mm steel plate, cut and welded to the cage mounting points
at the hoop floor and front lower door pillars. The front
door pillars were welded into the door frame from the
outside as seen in the left pic. This is just to add strength.
These pictures show the main hoop being put into place.
The 3mm steel angle plate welded to the floor and the
door pillar. The hoop can then be tacked in at the points
where the seat belts used to mount.
NOTE: Make sure the hoop is 90 degrees to the overall
level of the floor or sill.