RACVF1
This is the only discount I can find for the Grand Prix this weekend. I end up buying the Sunday session so still pay the $99.00.
For a limited time only RACV members receive a 10% discount* on Adult Saturday general admission tickets purchased on Friday 25 March 2011 between 9am and 9pm.
To purchase, go to the website and type in the promotional code RACVF1