this is the tosec archive I have which has racing sim 2 gdi also but this one is under 700mb. So it should fit on a standard cd. However as before im not sure how to burn gdis. but if yo have a usb gdrom or gdemu drive it will work fine directly
https://mega.nz/#F!dloBzCpB!OZPwI2HDiFhw_AxrZlMkvQ