You could get a 4spd overdrive gear set for your 833 from Passon or Brewers if having overdrive within a budget is your goal.
I've thought of that a time or two. Brewer's offers one?
1969 Dart GTS 340 1969 Super Bee X9 N-96 1969 Coronet R/T X9 N-96 2015 Dodge Dart GT 2019 Ram 2500 Big Horn. Looking for the original block for my Bee. The last 4 are 7449