no aussie ones did - though many have been swapped over if your keen and look around .. theres a few for sale in our "for sale "" section atm i thinki
The 18rg is getting a shade long in the tooth but still are a strong little motor !
If you plan on getting a ra23 with an uprated motor - maybe start saving hard , and look at say a 1gge swap - turbo motors ( the 1ggte ) will be a pain on your P's depending on what state your in and youll get raped for insurance ( unless mum and dad help ) though for cruising + reliability - the 2 litre twin ccam 6 cyl 1gge is a good idea