All right... I'm going to throw this out there and suffer the slings and arrows of outrageous fortune... your cars are boring. Yes, boring.
Going to a lot of car shows today is tantamount to going to a car dealership in the 1950s-1970s. Rows and rows of like-new cars sitting there... you have to expect a salesman with lamb chop sideburns and wearing a sky blue leisure suit to come out at anytime. Most of these cars looked boring when they were new and didn't look interesting until guys jacked them up, put goodies on them, put stickers on them, etc. Yes, if you're a big fan of 19XX GTXs, you're going to be interested is hearing about one, but 99.99% of people who go to shows are no more interested in a specific car than they are of a Ford Fiesta.
If you want people to be interested in your car, you need to give them a reason to be interested.
Couldn't be closer to the truth. My family is heavily invested in Mopars, I recently owned a 15' SRT and currently drive a 15' Power Wagon.
Car crowd people are no different than any other enthusiasts, they typically will gravitate to what they're familiar with or enjoy (in terms of manufacture/brands). For example, when we see another 69' Road Runner (or any Mopar), we normally take a quick glance and move on. There is no enjoyment for my wife, father, and myself to view a factory car. They're boring and a new Civic will give them a run for their money.
The 'look, but please don't touch' crowd are what is ruining the hobby. Everyone wants to see something different, yet something that they can relate to at the same time. The worst I've ever seen it was a Garlits' show a few years ago, an owner roped off his mid-60's plymouth in the general car show. On the other hand, I've stood within inches of multiple, multi-million dollar Ferrari's at Finali Mondiali at Daytona Speedway. The best car show/racing event I've been to in my lifetime (1,000 Ferrari's present).
Dare I say it. Pro-touring is what people enjoy when it comes to classic cars?
People simply love cars that are animated, or spark emotion. I wouldn't even look twice at my own car if it was stock. Go walk around the Chevrolet's at the next show, very few are stock and most are far from it. Then, walk to the Mopar section and see the sixth guy, out of seven cars, with a factory engine, NOS six-pack and air cleaner setup, along with the period correct battery. It gets old. Even for guys that enjoy them. You'll see a crowd around the seventh guy that decided he wanted to do something out of the norm. I'm not saying it's good-bad leaving a car stock, but it's nice seeing something different for a change.
Just got back from the largest car show in the United States, Daytona Turkey Run. Similar to Bike Week but for hot rods. 6,000+ classic cars in the show. 150,000 spectators. I've pretty much seen it all. Mopars may make up 5%, probably less.