<prompt> Bhala okuqhubekayo kwalesi sigaba - Iqembu leMarlboro iPenske lanwetshwa laba yizimoto ezintathu nomvikeli womnqobi we-Indianapolis 500 u-Emerson Fittipaldi, inkanyezi ekhulayo uPaul Tracy, kanye no-1990 IndyCar Champion kanye no-1992 Indy 500  <response>: Umnqobi u-Al Unser Jr., owasuka e-Wales Racing ngemuva komkhankaso odumazayo ka-1993 wamshiya enonqobe olulodwa kuphela eVancouver no-7 ohlwini. UPenske washintshela enjinini entsha ye-Ilmor ngokubambisana neMercedes-Benz esikhundleni seChevrolet, eyasuka ngemuva kuka-1993. Ithimba lomthengi iBettenhausen Motorsports nomshayeli uStefan Johansson bathola ishasishi esineminyaka engu-PC-22 njengoba iPenske yaqala ukusebenzisa i-PC-23 entsha. 