Well, there's a few problems with driving it a lot. Here in Michigan it's basically either too cold for it to run decent in it's current state, or snowing for at least 5 months a year. It basically goes to bed on or around halloween and comes out in early April. There are also days where its 95 and 85% humidity where you are baked alive.
Additionally, I have 2 other cars and commute 50 miles a day round trip and the Duster goes to work only for the employee car show (also dictated by insurance).
Maybe once I have the EFI on I'll drive it some more but at this point it probably won't change much. If I added A/C I might consider going on power tour or something.
Almost all cars have a wider front track than the rear as it helps in weight transfer. A-bodies from the factory came with a 58"+ or so front hub-to-hub measure and a rear drum-to-drum measurement of 57 1/8" with an 8 3/4. IIRC, the track width was even shorter for an 8 1/4 and 8 3/4. If you really wanted to handle, you'd throw fatter tires on the front than the rear as our cars are front heavy. But no one does that because it "kinda looks odd."
This car has the big bolt front disks with the bigger rotors added. The track width for that is 59.2", plus I have a 10mm spacer on each side in the front only which makes the track basically 60" right on the nose. The rearend is 59.95" wide being a 68 B-body so they honestly are almost lined up. I know that visually it looks a little odd and I may buy another set of 10mm wheel spacers for this purpose.
That would make it be more like this picture with my old wheels on