Dart on a rotisserie

Yes, it is a hardtop. The roof barely clears the connecting member when I rotate it upside down. It is only close as it comes around to the drip rails. I have to get underneath and put a foot on the connecting member to flex it downward a little bit to sneak the drip rail past; then it rotates freely on around till it comes to the drip rail on the other side. It is only at the drip rails that I have any interference. And come to think of it, I think it is only the set screws on the connecting member that interferes.