Originally Posted by 2door
As for your idea for the rear mount, instead of just a screw into the top tube you could install a Riv-Nut. They should be available at most industrial tool suppliers. I typically use only a 10-32 Riv-Nut on the rear mounts for my tanks. If the front mount is strong the rear one just keeps the tank from bouncing.
Good suggestion on the Riv-Nut... I had never heard of one and since I have no welder; just became one of my favorite tricks!