"ED1971PA" is incorrect when he states you could only get a power sunroof with the SE option on the Challenger in 1970.

What he is confused over is that you had to get a vinyl top when you ordered this option (actually on any model). A vinyl top was mandatory with the sunroof and was part of the M51 package. The SE option contained several other features and trim besides a sunroof including a smaller rear window. As a matter of fact the SE option was not available with the sunroof option at all. The reason is that the SE package included the overhead console which required the fiberboard headliner to help hold it up and attach it to the cieling. The SE package did not have the standard cloth headliner with the headliner bows.

Why was a vinyl top mandatory? This was mainly to save ASC the expense of repainting the top after the sunroof hole was cut into the roof. The V-top covered the edges of the hole and the metal sunroof panel too.

The cloth headliner covered the bottom of the sunroof panel. Actually only one headliner bow was used of the 70-71 Challenger's original five headliner bows. Most of the headliner was glued in place to the bottom of the roof.