OK then, the two cars that were officially entered in this "new" category were both by the same team and happen to be a very small team that still run at Le Mans, albeit with a slightly different name these days. Given that Group C officially started in 1982, this year we are talking about could be considered a trial for the new rules.
There, scrape the green bits off the pizza and get the needle and thread out for the train spotting essential garment!!