[Healeys] Thottle linkage

[Mitch]

Hello,
B 
I am cleaning up my throttle linkage (steel threaded rods,etc.)B  are they
suppose to be plated (zinc/cadmium) or painted. ?B B  I was going toB  replace
bushings on the throttle rod under the firewall..........but that looks like
another can of worms I don't want to open ..or is there an easy way of
removing it?B  engine and trans are in car
B 
thanks
Mitch
1966 BJ8