Dhameystir weedha soo socota: Xilli ciyaareedkii 1990, dhammaan kooxaha isticmaala Ilmor Chevy Indy V8 waxaa la siiyay nidaam Gen-3 oo dib loo naqshadeeyay waxayna ku guuleysteen 15 pole, 16 guul oo ay ku jiraan
1990 Indianapolis 500, oo leh 17 tartan oo ka tirsan IndyCar World Series. Si loo caddeeyo nidaamka, qaybaha waxaa loo adeegsaday matoorrada GM ee taxanaha Trans-Am Racing intii lagu jiray 1989.