Same here. Just got mine installed the night before last.
stillwaterobsolete had a number of nos units on ebay not too long ago.
I had considered using a diesel tray at one time. Don't see any reason why it wouldn't work.
Scott
'
Camano' 1986 F250 Supercab XLT Lariat 460/C6
'Chanute' 1980 F350 C&C 400/NP 435 - Gin Pole
But there ain't nothin' wrong with the radio