<prompt> Qedela umusho olandelayo: I-JS29 bekufanele yenze i-debut yayo ku-1987 Brazilian Grand Prix isebenzisa i-Alfa Romeo 890T V8 turbo kuze kube yilapho i-415T isilungile. Kodwa-ke, kulandela ukuphawula okungekuhle kuka-Arnoux, nokuhoxa kweFiat, lokhu kwakusho ukuthi iqembu lalingenayo injini yokuncintisana nayo kuze kube umjaho wesibili ngo-  <response>: ISan Marino. Yilapho i-JS29B enenjini yayo iMegatron eyayizodlala khona okokuqala emncintiswaneni. I-JS29B yavuselelwa ngemuva kweDetroit Grand Prix kuya ku-JS29C yayo yokugcina. Nakuba i-JS29 ekuqaleni yayiklanyelwe injini ye-Alfa enamasilinda amane, kwakungeyona nje indaba yokufaka esikhundleni sayo injini ye-Megatron enamasilinda amane. Umehluko omkhulu emaphayiphini ezinjini zombili kwabangela iqembu ukuthi lidinge ukwakha kabusha imoto, ikakhulukazi ukumiswa kwayo ngemuva njengoba izivivinyo zikhombisa ukuthi iMegatron yayibangela ukudlidliza okubi okwakubangela ukwehluleka kokumiswa. 