63 Dodge Dart, now let me see;)

I think I would use the same thickness steel as the steering column support, or only slightly thicker. I would shy away from welding the two plates together, so if you ever have to service one system or the other, you don't have to disassemble both to get either one out. You could make another one the same size as the mounting surface of the plastic CMC and mount it between the CMC and firewall to keep stress off the plastic on that side. That way it is supported on both sides. In the pic right above, the top bolt to the right that goes over the dip in the firewall is where I was talking about putting the tubular spacer. The other bolt shouldn't need one since it's on a flat surface. I'll shut up and quit creating work for you...lol. I was a power lineman my whole adult life and tried my best to over build every pole so I never had to go back and do rework. It kinda bled over into my car hobby! :BangHead: :realcrazy: