Kickdown linkage rod length (A904)
Aha, I found it in the Haynes manual, it is set up like I suspected.
@krazykuda, have you got one of these types of rods? Or anyone else? Just need the measurements and I can make one myself I think. Another question I have is how strong of a spring to use. It looks like it shares a clip with the rod at the top, that's another missing piece.