Here's a video of some modifieds racing against some late models - the mods are the ones that look like they have a wing built into their bodies, whereas the late-models look a little more like "funny-looking NASCAR cars":
Late-model is a little more prestigious and the cars are faster than...
Minor comment, the "big wing" cars are called sprint cars.
I'm a little jealous that you're in a good area for RC dirt oval; that's the only motorsport that I actually care to be a spectator / fan of - particularly, dirt late model. We don't have any dirt oval racing near where I live (to my...