Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla An gina injunan Chevrolet ta Traco Engineering (Jim Travers da Frank Coons).
Tabbas, mafi rikitarwa na jumla shine "Injiniyoyin Chevrolet an gina su ne ta Traco Engineering (Jim Travers da Frank Coons, wanda ake kira 'The Whiz Kids'), magina na shahararrun motocin tsere na Indianapolis 500 da aka ci nasara a jere (1953 - 54) wanda shahararren direba Bill Vukovich ya tuka. "