cars ferrari prototype sports 1972 schenken tim brands britain great hatch hi res pits a3 peterson ronnie mechanics a4 belgium francorchamps rear spa sportscars 1 6h cockpit ford formula glen light usa watkins 1970 1973 1974 austria blur de fans france front group ickx italy jacky joy le mans monza pitlane pitstop rain side speed technical tomaso trojan two williams zeltweg