Per the instructions I should have had to ream the tubes before the plastic cable guides would fit into them. Mine were loose without any reaming sanding etc. I posted the problem on the Teamkitfox forum and the overwhelming answer was to just Hysol them into place to keep them from sliding so thats what I did. Riveted and Hysoled the right and left stringer into place and installed the bottom tab on the door frames for the cowl mount.