The 1983 Michigan 500, the third running of the event, was held at the Michigan International Speedway in Brooklyn, Michigan, on Sunday, July 17, 1983. Branded as the 1983 Norton Michigan 500 for sponsorship reasons, the event was race number 5 of 13 in the 1983 CART PPG Indy Car World Series. The race was won by John Paul Jr. - his first Indy Car victory - who made a last lap pass over Rick Mears.
42°03′58.68″N 84°14′29.18″W / 42.0663000°N 84.2414389°W
| Race details | |
|---|---|
| Race 5 of 13 in the 1983 CART season | |
 | |
| Date | July 17, 1983 |
| Official name | 1983 Norton Michigan 500 |
| Location | Michigan International Speedway, Brooklyn, Michigan, United States |
| Course | Permanent racing facility 2.000 mi / 3.219 km |
| Distance | 250 laps 500.000 mi / 804.672 km |
| Weather | Cloudy with temperatures up to 88 °F (31 °C); wind speeds reaching up to 14 miles per hour (23 km/h)[1] |
| Pole position | |
| Driver |  Teo Fabi (Forsythe/Pettit Racing) |
| Time | 202.128 mph (325.293 km/h) |
| Podium | |
| First |  John Paul Jr. (VDS Racing) |
| Second | Al Unser (Team Penske) |
| Third | Mario Andretti (Newman-Haas Racing) |
- ^ Weather information for the 1983 Norton Michigan 500 at Wunderground