When stopping to look at clearances during the entire operating sequence I saw there was contact between the transmission V when near vertical and the metal lip under the slide rail on the driver side (likely damaged/disfigured during initial trauma). I was able to bend the lip to alleviate contact, but this did not help with the greater issue of the driver side clamshell support digging further back into the weather stripping than it should when the V is near horizontal.
Something is either bent that I am not seeing- very possible even after much time spent examining all the pieces. And I should remove the cover to the transmission on the driver side to get a better look at it for damage/operation, along with making sure the 3 nuts that hold it in place are still snug.