How should my duster handle

I get all that, but we're not talking about cars that are fighting for pole position at Indy. The average 55 year old Mopar does very little but cruise around town and the occasional highway trip. Few people need their A Body to drive (and have the miserable ride) like a 2023 Corvette. This all goes back to a simple fact - the cars, as set up by Mopar back then, are very good performers. Yes, tires have improved, but not much else. 95% of all the aftermarket 'improvements' are emotional, not factual. That's fine, as it's part of the fun of cars, but that's all it is.

It's like when you see women buying $95/ounce jars of beetle root face cream infused with carrot peel because they are absolutely positive it will make people think they are 30 years old instead of 45 years old. Pure emotion.