Pedzisa mutsara unotevera:
1955: Mushure mokukunda kaviri uye kutungamira 485 kumativi e 656 (74%), Bill Vukovich anourawa pa lap 57 mushure mekuputika kunze kwekutungamirira. Rodger Ward akatyora vhiri rokumashure uye mucherechedzo wokumashure wakabatanidzwa naye pamberi paVukovich, ane motokari inovarova uye inopinda pamusoro pemadziro ekumashure munzvimbo yekupaka motokari.