Your alignment at that point can be compromised. The solution would be to replace the shafts. Global West manufactures replacement billet control arm shafts. They provide increased strength over the stock units and allow stock or any performance bushing to be used. Tubular tie rod adjusting sleeves are available for 63-67 Nova's.
Tubular sleeves offer full thread engagement over stock split sleeve units.
Our units have flats machined into them for easy adjustment and jam nuts assure positive lock. Kit includes both sides. Simple disc brake conversion Nova disc brake conversions came be easy with our DB-1010 kit. All you need is spindles off a donor car and 5 lug steering knuckle arms found on 64-67 Nova's . The upper ball joints off the donor cars have the same taper as your current upper ball joint.