Here is a snapshot of car shows in and around Perth this weekend. If you don't see your show, you can list it in just a few minutes.
https://cartorque.co/car-shows/mandurah-mayhem-wa-10925
https://cartorque.co/car-shows/winter-heat-car-show-drag-racing-and-burnouts-wa-10907
https://cartorque.co/car-shows/custom-cars-and-coffee-july-midvale-meet-wa-10696