Jean-Marc Luco took a fine 4th place with his ex-works Porsche 936. Photo: Peter CollinsPaul Knapfield proved to be a crowd favorite with his thundering Ferrari 712. Photo: Peter CollinsRare Howmet TX turbine car was driven by Xavier Micheron. Photo: Peter CollinsSean and Michael McInerney shared this ex-Jim Busby BMW M1. Photo: Peter Collins