Here is a old post with info on the MY6 tranny's. We ran one in my Dads 66 chevelle with a BB Chevy in it. Will bolt in to anything that had a Saginaw or Muncie. The column shift would take some work.
https://www.inliners.org/ubbthreads/ubbthreads.php?ubb=showflat&Number=40579&fpart=1
