We peeled the vinyl off the repro and glued it on the original panel--driver's side only--the other side fits OK. FIt of the original is perfect and it looks like we're professionals. I'll call Ames tomorrow to find out what to do about the fit problem and return of the defective pieces.
The hard part was installing the staples that hold the window sweep on the metal panel. We used a 1/16" drill through the original staple holes and installed the staples, bent them with a Vicegrips. I wish we'd have done that from the start.
We also discovered that the repro window crank handles are not offset from the panel as much as the originals, so they hit on the metal trim bar. We need to fix that problem with different crank handles--originals work fine, but we want black knobs. The ones we bought were from Classic Headquarters---W926.