Mezue ahịrịokwu na-esonụ: N'ụzọ juru ndị asọmpi, mgbasa ozi, na ndị na-akwado ya anya, ndị otu Marlboro Team Penske rutere Indianapolis Motor Speedway na ihe ọhụrụ, zoro ezo wuru 209 cid Mercedes-Benz push-rod engine, nke nwere ike ịkọwa 1000 horsepower. N'agbanyeghị nsogbu ntụkwasị obi na injin na nsogbu njikwa na chassis, ndị otu ụgbọ ala atọ Penske (Unser, Emerson Fittipaldi na Paul Tracy) chịrị ọtụtụ ọnwa, na ihe fọrọ nke nta ka ọ bụrụ agbụrụ ahụ dum. Igwe a jiri ndokwa n'iwu ndị ezubere maka igwe nrụpụta nke ngwaahịa dị ka V-6 Buick engines nke kwere ka mgbakwunye 650 cm3 na 10 sentimita (4.9 psi / 33.8 kPa) nke nkwalite. Ike a na-agbakwunye (1,024 horsepower, nke dị elu 150-200 hp uru karịa V-8s nkịtị.) nyere ndị Penskes aka ịgba ọsọ ngwa ngwa, na-enye ha ogwe osisi na mpụga n'ihu n'ahịrị na grid maka
78th Indianapolis 500. Al Unser, Jr. na Emerson Fittipaldi na-achịkwa agbụrụ ahụ, n'ikpeazụ na-agba ọsọ ahụ na 16 laps iji gaa n'ọsọ 200 lap mgbe Emerson mere kọntaktị na mgbidi na-apụ na Turn 4, na-enye Al Unser, Jr. ndu na mmeri. Naanị onye ọkwọ ụgbọala ọzọ rụzuru n'ọkwa nke mbụ bụ rookie Jacques Villeneuve.