The EFDA Nations Cup, was a Country vs Country competition for Formula Opel cars between 1990 and 1998. It had always been Dan Partel's dream to stage a race that pitted drivers in equal cars racing for their country. The Formula Opel/Vauxhall one make racing series offered the best opportunity for such an event.
The 1998 EFDA Nations Cup (Nations Cup IX), was held at Zandvoort, Holland (3 October 1998).
References
1998 EFDA Nations Cup Wikipedia(Text) CC BY-SA