(VIDEO) Suspension HELP for 70 dart swinger drag racing!

a question: are shock recommendations and adjustments different between Manual and automatic cars?

I am tending to purchase new Shocks for the rear but don't know if qa1 and single or double adjustable.
My car has a 5 Speed ( so not a 100% racer) 60ft is 1.85 which is pretty nice for me. tires M/T drad radials.

sorry if this crashes the thread