The Trucks and Saloon cars come over here as well, usually around July.
Not sure about this Bunbury circuit... it's not the Collie one?
http://www.formulanippon.com.au/
bizarre.. but why bunbury of all places? I mean
Bunbury? It's a fair drive.. someone did explain to these Japanese blokes about distances didn't they?
Only map I could find of the circuit:
http://www.formulanippon.com.au/images/map.jpg