Ku dhameystir weedha soo socota:
1991 24 Saacadood ee Le Mans, isbeddel ku yimid xeerarka mashiinka ee FIA ayaa ku qasbay Mazda inay ka tanaasusho R26B 4-rotor-ka ee Horyaalka World Sportscar Championship. Si kastaba ha noqotee, xeerarka IMSA waxay sii wadeen inay oggolaadaan isticmaalka wareegyada, taas oo u horseeday Mazda inay keento R26B Waqooyiga Ameerika, iyadoo la hagaajinayo si ay si fiican ugu habboonaato tartamada gaagaaban iyo wareegyada.