simply notes that thread is a dead end with no answers. and i dont know what its even going in yet. but since your illiterate on the subject or just too good to contribute, please stop post whoring on ed's dime.
i have been able to find a few GM ones complete for $50. 80's-90's trucks are plentiful so it hasnt been a real issue to find one for a decent price.
the input shaft being interchangeable is back and forth on pirate.