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1991 Marlboro 500


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CART race number 11 of 17
Sunday, August 4, 1991 at Michigan International Speedway, Brooklyn, MI
250 laps on a 2.000 mile paved track (500.0 miles)

Time of race: 2:59:23
Average Speed: 167.23 mph
Pole Speed: 225.169 mph
Cautions: 9 for 52 laps
Margin of Victory: 3.143 sec
Attendance: 50,000
Lead changes: 18

Glossary    1991 CART results   /   1991 standings

Fin St # Driver Sponsor / Owner Chassis / Engine Laps Money Status Led Pts
131211   Scott Pruett Budweiser   (Truesports)TrueSport / Judd16929,344clutch0 
20 25   Emerson Fittipaldi Marlboro   (Roger Penske)Penske / Chevrolet2225,128crash1 
21 817   Paul Tracy Mobil 1   (Roger Penske)Penske / Chevrolet313,928crash0 
181720   Danny Sullivan Miller Genuine Draft   (Pat Patrick)Lola / Alfa Romeo4825,626electrical0 
4 36   Mario Andretti Kmart / Havoline   (Newman Haas Racing)Lola / Chevrolet24549,872engine1412
7138   Eddie Cheever, Jr. Target / Scotch Video   (Chip Ganassi)Lola / Chevrolet22635,482engine06
101421   Pancho Carter Leader Card Racing   (Leader Card)Lola / Cosworth18732,574engine03
11 418   Bobby Rahal STP / Kraco   (Galles Kraco Racing)Lola / Chevrolet18231,828engine12
14 52   Michael Andretti Kmart / Havoline   (Newman Haas Racing)Lola / Chevrolet14328,352engine821
151515   Scott Goodyear Mackenzie Financial   (Derrick Walker)Lola / Judd12527,360engine0 
161819   Randy Lewis AMP   (Dale Coyne)Lola / Cosworth9326,368engine0 
172114   A.J. Foyt Copenhagen   (A.J. Foyt)Lola / Chevrolet6126,120engine0 
19 97   Hiro Matsushita Panasonic   (Dick Simon)Lola / Cosworth4125,376gearbox0 
121686   Jeff Andretti Texaco / Havoline   (Bruce Leven)Lola / Cosworth17430,336oil line01
1 13   Rick Mears Marlboro   (Roger Penske)Penske / Chevrolet250173,182running7121
2209   Arie Luyendyk RCA   (Granatelli Racing)Lola / Chevrolet250105,182running5216
3111   Al Unser, Jr. Valvoline   (Galles Kraco Racing)Lola / Chevrolet24667,482running1714
5 716   Tony Bettenhausen Jr AMAX   (Tony Bettenhausen, Jr.)Penske / Chevrolet24544,182running010
6 64   John Andretti Pennzoil Z-7   (VDS Racing)Lola / Chevrolet24132,986running08
81912   John Jones Alfa-Laval   (Frank Arciero)Lola / Buick22035,742running05
91022   Scott Brayton Amway / Hoechst Celanese   (Dick Simon)Lola / Chevrolet21934,064running124

Caution flag breakdown:
ConditionFrom
Lap
To
Lap
# Of
Laps
ReasonFree
Pass
122  
31311   #17 accident tri-oval 
14174   #4 slow on track 
18236  
243411   #20 accident turn 3 
357238  
73764   #86 stalled on track 
7710226  
1031053   oil on track 
10612924  
1301323   #15 stalled on track 
13314210  
1431453   #2 engine 
14618237  
1831908   #18 engine 
19123040  
2312355   #8 engine 
23625015  
  Percent of race run under caution: 20.8%             Average green flag run: 22.0 laps

Lap leader breakdown:
LeaderFrom
Lap
To
Lap
# Of
Laps
  Emerson Fittipaldi111
  Mario Andretti21312
  Michael Andretti14185
  Mario Andretti19202
  Rick Mears21233
  Scott Brayton243512
  Al Unser, Jr.365217
  Michael Andretti536412
  Bobby Rahal65651
  Michael Andretti6610338
  Rick Mears1041052
  Michael Andretti10613227
  Arie Luyendyk13316634
  Rick Mears1671693
  Arie Luyendyk17018516
  Rick Mears18621833
  Arie Luyendyk2192202
  Rick Mears22125030

Points standings after this race:
RankDriverPointsDiff
1   Bobby Rahal 141    
2   Michael Andretti 117   -24  
3   Rick Mears 112   -29  
4   Al Unser, Jr. 108   -33  
5   Arie Luyendyk 95   -46  
6   John Andretti 86   -55  
7   Emerson Fittipaldi 83   -58  
8   Mario Andretti 76   -65  
9   Eddie Cheever, Jr. 51   -90  
10   Danny Sullivan 48   -93  
11   Scott Brayton 47   -94  
12   Scott Pruett 29   -112  
13   Scott Goodyear 29   -112  
14   Jeff Andretti 21   -120  
15   Tony Bettenhausen Jr 21   -120  
16   Mike Groff 17   -124  
17   John Jones 8   -133  
18   Ted Prappas 8   -133  
19   Gordon Johncock 8   -133  
20   Stan Fox 5   -136