Links for this race (some data may be unavailable): Race Results Qualifying Results Loop Data Stats Pit Stops Comments (4) Video Links (3) Crew Chiefs 1989 Race 3Previous race results / Next race results Previous at this track / Next at this track PostIROC race number 3 of 4Saturday, August 5, 1989 at Michigan International Speedway, Brooklyn, MI50 laps on a 2.000 mile paved track (100.000 miles)Time of race: 0:37:54Average speed: 158.343 mphPole speed: n/aCautions: noneMargin of victory: .47 secAttendance: n/aLead changes: 8Glossary 1989 IROC results / 1989 standings PosSt#DriverSponsor / OwnerCarLapsMoneyStatusLed1112 Terry Labonte NASCARChevrolet50 running332103 Dale Earnhardt NASCARChevrolet50 running93121 Rusty Wallace NASCARChevrolet50 running34 49 Bill Elliott NASCARChevrolet50 running05 76 Al Unser, Jr. CARTChevrolet50 running06 85 Scott Pruett CARTChevrolet50 running07 67 A.J. Foyt USACChevrolet50 running08 58 Hurley Haywood IMSAChevrolet50 running09 310 Rick Mears CARTChevrolet50 running010 94 Danny Sullivan IndyChevrolet50 running011 112 Richard Petty NASCARChevrolet50 running112 211 Geoff Brabham IMSAChevrolet50 running4