Don't forget the window net!
Honestly, just look up "Mopar Kit Car" and you'll get all kinds of ideas.
And don't just limit yourself to Trans-Am and short-track cars, there's lots of USAC (and IMSA) inspired ideas to be gleaned from vintage photos.
View attachment 1716406779View attachment 1716406780
View attachment 1716406781View attachment 1716406783