I read about putting slots up, but not in Gm manual i can find??? Heres mine coming out of holder, slots down..... i believe its original from factory as this thing was parked in 1977 and barn stored since. So do i put slots down or up tomorrow?
https://postimg.cc/gallery/2y4dwtrk6/

Heres whats left of the rear mounts.
https://postimg.cc/gallery/1zeu31zgm/