<prompt> Bhala ukuqhubeka kwalesi sigaba - izimoto zakwaBrabham zaqhudelana e-Indianapolis 500 kusukela maphakathi nawo-1960 kuya ekuqaleni kwawo-1970. Ngemuva kwephrojekthi engaphumelelanga ngo-1962, i-MRD yathunywa ngo-1964 ukuba yakhe i-IndyCar chassis enikwe amandla yinjini yaseMelika i-Offenhauser. I-BT12 chassis eyaba umphumela yancintisana noJack Brabham njenge Zink-Urschel Trackburner emcimbini wango-1964  <response>: futhi wathatha umhlalaphansi enenkinga yetangi likaphethiloli. Imoto yaphinde yangenela ngo-1966, yathatha indawo yesithathu kuJim McElreath. Kusukela ngo-1968 kuya ku-1970, uBrabham wabuyela e-Indianapolis, okokuqala nge-version engu-4.2-litre yeRepco V8 iqembu elisetshenziswe kwiFormula One noPeter Revson waqeda endaweni yesihlanu ngo-1969 ngaphambi kokubuyela enjini ye-Offenhauser ngo-1970. Inhlanganisela kaBrabham-Offenhauser yaphinde yangeniswa ngo-1971 nguJ.C. Agajanian, waqeda endaweni yesihlanu ezandleni zikaBill Vukovich II. Nakuba kungekho imoto kaBrabham eyake yanqoba e-Indianapolis, uMcElreath wanqoba imijaho emine ye-United States Automobile Club USAC ngo-1965 nango-1966 ku-BT12. I-Dean Van Lines Special lapho uMario Andretti anqoba khona umqhudelwano kazwelonke we-USAC ngo-1965 kwakuyikhophi eqondile yale moto, eyenziwe ngemvume evela eBrabham ngumphathi wabasebenzi baka-Andretti uClint Brawner. URevson wathatha ukunqoba kokugcina kukaBrabham emjahweni we-USAC ku-BT25 ngo-1969, esebenzisa injini yeRepco. 