'73 Swinger - turbo SB, EFI, Overdrive...on the cheap! :)

Depending on the event's rules, I bet you could enter it into a no prep Daily Driver class and be very competitive.
Maybe. I'd need to figure out the suspension and maybe get a transbrake. A guy on the LS Swapped Mopars Facebook page just posted about his 4 inch exhaust hidden in custom recessed floorpans, that might be the way to do it.