Heres the 455HO T/A ( RAM AIR IV Heads ) 1.07 mark-partway through this video - he's been driving it for years to shows and races . SDRoger ( 73 SD455 T/A 4 spd ) who I met in Switzerland told me about this unique T/A -- COOL.
http://www.youtube.com/watch?v=D08qJ0XP3kQ