Charley, there is some info on the HAMB you might want to check into. Dennis Kirban started a thread over there about many of the Hurst pieces he has in his collection and speculates as to some other things, including the trunk platform and the large shifter.
http://www.jalopyjournal.com/forum/s...nk#post6776770
The thread starts here if you want to read it all.
http://www.jalopyjournal.com/forum/s...d.php?t=427115