Whats everyone running for gears?

I had 4.10,s in my 73 D.S,took them out and put the 3.23,s back in.In my 66 Dart I had 3.91,s and swapped to a 4.30 spool(and taller tires)good thing,as the 3.91,s had a broken tooth.Crunch,crunch.Glad I caught it on time,before mulched into little pieces.