<prompt> Bhala ukuqhubeka kwalesi sigaba - I-Galles Racing iyithimba lomjaho wezimoto elake laba ngelaka likaRick Galles elaliqhudelana ochungechungeni lwe-CART, i-Can-Am ne-Indy Racing League. Leli qembu laphumelela ngo-1990 CART ubuqhawe kanye 1992 Indianapolis 500 nge umshayeli Al Unser, Jr. Ithimba won ingqikithi 21 Indy car imijaho kulo lonke umlando walo. Ngaphezu kokunqoba kuka-Unser ngo-1992, leli qembu laqeda endaweni yesibili e-Indianapolis ezikhathini ezintathu ezihlukene 1989, 1990  <response>: , 1996. 