Here's link to the "conversion" tie rod adjuster sleeves if you decide to keep your 63-70 centerlink.
http://www.performanceonline.com/196...-SLEEVES-PAIR/
You still have to use a set of 63-70 outer tie rods (LH thread) in the inner location.
That way they will connect to the 73-87 outer tie rods (RH thread).