I was checking one more time my steering box to trace the knocking noise. Looks like that the drop arm moves a little up and down making the noise. Can this be solved by adjusting the big nut on the steering box? I have already adjusted the one on the top. If yes, how can I do that? What is the size of that nut/screw? I know that I have to be very cautious.
Joao
72 Super 1302