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Race #5 of 11 in the 1981 CART PPG Indy Car World Series Season
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1981 Norton Michigan 500 CART PPG Indy Car World Series.jpg
Held on July 25, 1981 at Michigan International Speedway in Brooklyn, MI
250 L, 500 M, 804.75 KM - Scheduled Distance

RESULTS
Fin St # Driver Sponsor Make Laps Led Status Pts
1 4 5 Pancho Carter Alex Foods Penske / Cosworth 250 91 running 105
2 20 16 Tony Bettenhausen, Jr. Provimi Veal McLaren / Cosworth 250 5 running 80
3 3 6 Rick Mears Gould Charge Penske / Cosworth 248 2 running 70
4 7 7 Bill Alsup AB Dick Penske / Cosworth 247 2 running 60
5 21 56 Tom Bigelow Genesee Beer Penske / Chevrolet 247 0 running 50
6 18 12 Gary Bettenhausen Rhoades Racing Wildcat / Cosworth 247 0 running 40
7 31 37 Scott Brayton Forsythe Industries Penske / Cosworth 238 0 running 30
8 37 47 Phil Caliva Polaroid Time Zero McLaren / Chevrolet 235 0 running 25
9 24 31 Larry Dickson Machinists Union Penske / Cosworth 229 0 running 20
10 17 35 Bob Lazier Montgomery Ward Penske / Cosworth 225 0 engine 15
11 10 8 Al Unser Longhorn Racing Longhorn / Cosworth 196 46 engine 10
12 16 99 Larry Cannon Kraco Car Stereo Penske / Cosworth 190 0 accident 5
13 32 66 Roger Rager Seymour Enterprises Wildcat / Chevrolet 185 0 running 5
14 22 38 Jerry Karl Tonco Trailers Karl / Chevrolet 178 0 clutch 5
15 26 42 Bill Vukovich, Jr. Steve Vukovich Racing Watson / Offy 175 0 engine 5
16 9 3 Bobby Unser Norton Spirit Penske / Cosworth 162 0 engine 5
17 5 40 Steve Krisiloff STP Oil Treatment Wildcat / Cosworth 153 0 overheating 5
18 12 48 Mike Mosley Pepsi Challenger Eagle / Chevrolet 144 34 engine 5
19 19 55 Josele Garza Garza Racing Penske / Cosworth 141 0 engine 5
20 34 64 Steve Chassey Jet Engineering Eagle / Chevrolet 131 0 engine 5
21 36 45 Harry MacDonald Armstrong Moulding Lola / Cosworth 120 0 engine 0
22 2 1 Johnny Rutherford Pennzoil Chaparral / Cosworth 112 38 accident 0
23 1 2 Tom Sneva Blue Poly March / Cosworth 107 32 transmission 5
24 25 33 Vern Schuppan Red Roof Inns McLaren / Cosworth 95 0 engine 0
25 33 57 Cliff Hucul Metro Racing McLaren / Offy 89 0 engine 0
26 6 14 A.J. Foyt Gilmore Racing Coyote / Cosworth 80 0 accident 0
27 14 72 Michael Chandler National Engineering Co. Penske / Cosworth 79 0 halfshaft 0
28 11 32 Kevin Cogan O'Connell Racing Phoenix / Cosworth 70 0 engine 0
29 29 49 Chip Mead Space Racing Eagle / Chevrolet 70 0 engine 0
30 27 96 Dick Ferguson Kraco Car Stereo Wildcat / Offy 64 0 engine 0
31 30 22 Dick Simon Vermont American Watson / Cosworth 63 0 oil pressure 0
32 28 21 Salt Walther Bignotti-Cotter Phoenix / Cosworth 53 0 engine 0
33 23 28 Herm Johnson Menard Cashway Lumber Lightning / Chevrolet 26 0 pit fire 0
34 35 15 Bill Tempero O'Hanlon Racing McLaren / Chevrolet 23 0 engine 0
35 15 29 Billy Engelhart Beaudoin Racing McLaren / Cosworth 18 0 valve 0
36 13 20 Gordon Johncock STP Oil Treatment Wildcat / Cosworth 4 0 accident 0
37 8 94 Bill Whittington Whittington Brothers March / Cosworth 4 0 accident 0
RACE DATA
Did not start:

Did not qualify:

Time of Race: 3h:45:45
Starting Lineup Set By: Time Trials
Fast Qualifier: Tom Sneva
Preliminary Feature Winners: [[Special:FormEdit/Driver/{{{PrelimWinners}}}|{{{PrelimWinners}}}]]
Heat Winners: [[Special:FormEdit/Driver/{{{HeatWinners}}}|{{{HeatWinners}}}]]
Qualifier Winners: [[Special:FormEdit/Driver/{{{QualWinners}}}|{{{QualWinners}}}]]
Dash Winners: [[Special:FormEdit/Driver/{{{DashWinners}}}|{{{DashWinners}}}]]
Consi Winners: [[Special:FormEdit/Driver/{{{ConsiWinners}}}|{{{ConsiWinners}}}]]
Non-Qualifiers Race Winners: [[Special:FormEdit/Driver/{{{NonQualWinners}}}|{{{NonQualWinners}}}]]
Margin of Victory: 2 seconds
Average Speed: 132.89 mph
Cautions: 12 for 72 laps - not available
Lead Changes: 15 among 8 drivers - Tom Sneva 1-4, Johnny Rutherford 5-9, Sneva 10-37, Mike Mosley 38, Rutherford 39-40, Mosley 41-54, Rick Mears 55-56, Mosley 57-75, Tony Bettenhausen, Jr. 76-80, Rutherford 81-111, Al Unser 112-142, Pancho Carter 143-178, A. Unser 179-181, Bill Alsup 182-183, A. Unser 184-195, Carter 196-250
Fastest Lap: Unknown/Unentered