Size of ball joint hole in center link.

I was wondering if anyone knows the reem size to use for the center link for the ball joint?


I need more room under the pan on my project and would like to use the 73 and up pitman and idler arm on my 72 dart with the 72 center link, because it has a bigger curve to it than the 73 and up one has, and would drop the center link as far as possible.

Correct me if I'm wrong. I figure if I have the hole for the pitman and idler up and have them retaped from the top so they would fit on the 73 and new pitman and idler arms.