drop with stock arms

[nomo4x4]

first off good site.i just registered and this is my first post.i have this 84 k5 4wd that ive converted to 2wd,i put a c20 frontend under it.my questions are will the balljoints that match the 1/2 ton drop spindles change into the 3/4 ton arms.and what will the drop be if i use bags and stock arms and 3" spindles.dont want to drag i had a time with my s10 good riddance.thanks in advanceundefined