Trans Kickdown Linkage Guru Sought

You need this adapter as well, to provide the proper "arc" for the KD to travel through...



You also need to correct your fast-idle cam issue on that AFB in then top pic.
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For an Ede carb,you are 100% correct...I believe someone owes you an apology.
Or you can Jimmy Rig it.
if your using a thermoquad, i believe it already has the correct linkage.