I am currently in process of replacing the camshaft on my 1973 FJ40. By the looks of the camshaft, it looks like it ran with very little oil in the crankcase. It is very pitted and worn with scorch marks on all lobes. There is actually a decent channel in the eccentric lobe that actuates the fuel pump. What I want to know is if i can just get the arm for the pump because the pump it self works with no flaws, I don't want to have to spend a ton of money on another pump if its just the arm thats worn. I'm pretty certain that running a new cam on that fuel pump arm would carve another channel in that lobe. I am also planning on putting a Melling cam in it since it is cheaper than SOR's cams but not so cheap that I'm skeptical of its quality, If you have any other suggestions on camshafts then let me know, thanks!