1986 Detroit Grand Prix

Last updated
1986 Detroit Grand Prix
Race 7 of 16 in the 1986 Formula One World Championship
Downtown Detroit Street Circuit.svg
Race details
DateJune 22, 1986
Official name 5th Detroit Grand Prix
Location Detroit street circuit
Detroit, Michigan
Course Temporary street course
Course length 4.120 km (2.56 miles)
Distance 63 laps, 259.56 km (161.28 miles)
Weather Cloudy and hot with temperatures reaching up to 91 °F (33 °C); wind speeds up to 23 miles per hour (37 km/h) [1]
Pole position
Driver Lotus-Renault
Time 1:38.301
Fastest lap
Driver Flag of Brazil (1968-1992).svg Nelson Piquet Williams-Honda
Time 1:41.233 on lap 41
Podium
First Lotus-Renault
Second Ligier-Renault
Third McLaren-TAG
Lap leaders
  • 1986 Detroit Grand Prix

The 1986 Detroit Grand Prix was a Formula One motor race held on June 22, 1986, in Detroit, Michigan.

Contents

Summary

Lotus-Renault star Ayrton Senna started on the pole and came away with a hard-earned win, the fourth of his career. The young Brazilian charged through the field after dropping to eighth with a deflating tire for his first USGP victory. The race saw six lead changes among five drivers, and the victory for Senna began a streak that would see him take five United States Grand Prix wins in six years.

Gerhard Berger driving for Benetton at the race. Gerhard Berger 1986 Detroit.jpg
Gerhard Berger driving for Benetton at the race.

American Eddie Cheever, in his only F1 race of the season, was taking Patrick Tambay's seat in the Carl Haas Lola, as Tambay had not fully recovered from his Montreal injuries. Haas had attempted to get the legendary Mario Andretti, but, apparently because of a FISA-CART feud, Andretti's application for an FIA Super Licence was denied (allegedly Haas then tried for Michael Andretti on Mario's suggestion but his bid for the license was also denied). Cheever, who was racing in the 1986 World Sportscar Championship for the TWR Jaguar team, already had the required licence and had no such issues qualified tenth, out-qualifying temporary teammate Alan Jones by almost 3 seconds. His race ended at just over half-distance with a broken wheel peg.

As expected, the drivers had difficulty finding grip in Friday's sessions, as the temporary street circuit needed time to get some rubber down. Williams-Honda driver Nigel Mansell was the only one under 1:40, putting in two outstanding laps on race tires. On a gorgeous Saturday, Mansell and Senna bided their time, waiting until halfway through the one-hour session to take the track. Senna came out on qualifiers, managed to get a clear track, and clocked a course record 1:38.301. Mansell was balked on his run on the fragile qualifying tires when Alain Prost crashed in the chicane, and Senna had the pole by more than half a second.

Sunday was hot and humid with a chance of rain. At the start, Senna led Mansell into the first corner, and René Arnoux's Ligier-Renault jumped ahead of Nelson Piquet in the second Williams.

Beginning lap 3, Senna missed a gear entering Turn One, and Mansell's Williams shot by into the lead.

By the end of lap 5, Mansell's lead was 4.3 seconds, but that was as big as it got. His rear brake pads were too cool and had become glazed, and Senna was able to draw back up to him. By lap seven, he was right on his gearbox, and on lap 8, he retook the lead.

Senna immediately began to draw away, while Mansell slipped back through the field. On lap 14, with a 6.5 second lead, Senna suddenly ducked into the pits with a slowly deflating right rear tire. Despite a quick change, he re-entered in eighth place, twenty seconds behind the new leader, René Arnoux.

Arnoux held the lead for just three laps before having to pit for new rubber. His Ligier teammate Jacques Laffite, running with harder compound Pirelli rear tires, moved to the top of the score sheet. At age 42, it was Laffite's first time to lead a race in more than three years, and the last time in his career.

After his stop on lap 14, Senna had begun to carve his way back to the front, overtaking, not back markers, but the best drivers of the era. He passed the struggling Ferraris of Michele Alboreto on lap 15, and Stefan Johansson on lap 17. He then passed Arnoux when he made his tire stop on lap 18, Prost's McLaren-TAG on lap 28, and Mansell on lap 31. Piquet passed Laffite to become the race's fifth different leader. Senna reached second just 1.7 seconds behind Piquet by passing Laffite, who then pitted for tires.

With the two of them in front on their own, and Piquet leading by up to 3.5 seconds, Senna was content for the time being to follow his countryman. After eight laps in the lead, Piquet pitted for tires. Senna regained first place and then also pitted. Piquet's 18.4 second stop was even slower than teammate Mansell's had been, but when he returned to the track, the two-time champion got the bit between his teeth. Running second behind Senna, Piquet set the fastest lap of the race on lap 41, but with a pit stop ten seconds quicker than Piquet's, Senna was able to retain the lead.

On the very next lap, the 42nd, Piquet pushed a bit too much, and crashed hard at the left-hand corner before the last chicane. He ended up in the tire barrier, unhurt, but with his car in a very precarious position. The crane, present for just that reason, was unable to move the car. Arnoux, now 16.6 seconds behind in second, took a second a lap off Senna's lead for five laps while a yellow was displayed in the corner where Piquet had crashed. As soon as the yellow flag was gone, Arnoux went wide and hit Piquet's abandoned Williams! The Frenchman decided that his car was not damaged, and attempted to rejoin the field, but did so right in front of Thierry Boutsen's Arrows-BMW, sidelining both cars.

Very uncharacteristic of a street race, these three – Piquet, Arnoux and Boutsen – were the only drivers all afternoon to retire due to accidents.

With 17 laps to go, Senna led Prost by 27 seconds, but the McLaren's TAG engine was cutting out under braking. Laffite was able to close as Prost struggled, and quickly the Ligier moved by into second place. Senna came home 30 seconds in front for his first victory in the United States, and the only American win for the Renault.

Classification

Qualifying

PosNoDriverConstructorQ1Q2Gap
112 Flag of Brazil (1968-1992).svg Ayrton Senna Lotus-Renault 1:40.3011:38.301
25 Flag of the United Kingdom.svg Nigel Mansell Williams-Honda 1:39.4901:38.839+0.538
36 Flag of Brazil (1968-1992).svg Nelson Piquet Williams-Honda 1:41.5101:39.076+0.775
425 Flag of France.svg René Arnoux Ligier-Renault 1:43.1661:39.689+1.388
528 Flag of Sweden.svg Stefan Johansson Ferrari 1:42.9891:40.312+2.011
626 Flag of France.svg Jacques Laffite Ligier-Renault 1:45.2361:40.676+2.375
71 Flag of France.svg Alain Prost McLaren-TAG 1:43.3681:40.715+2.414
87 Flag of Italy.svg Riccardo Patrese Brabham-BMW 1:43.6641:40.819+2.518
92 Flag of Finland.svg Keke Rosberg McLaren-TAG 1:43.7321:40.848+2.547
1016 Flag of the United States.svg Eddie Cheever Lola-Ford 1:46.4991:41.540+3.239
1127 Flag of Italy.svg Michele Alboreto Ferrari 1:44.2961:41.606+3.305
1220 Flag of Austria.svg Gerhard Berger Benetton-BMW 1:43.7591:41.836+3.535
1318 Flag of Belgium (civil).svg Thierry Boutsen Arrows-BMW 1:45.7111:42.279+3.978
1411 Flag of the United Kingdom.svg Johnny Dumfries Lotus-Renault 1:45.8461:42.511+4.210
158 Flag of the United Kingdom.svg Derek Warwick Brabham-BMW 1:44.8901:42.558+4.257
163 Flag of the United Kingdom.svg Martin Brundle Tyrrell-Renault 1:45.2501:42.815+4.514
1719 Flag of Italy.svg Teo Fabi Benetton-BMW 1:48.9121:43.658+5.357
184 Flag of France.svg Philippe Streiff Tyrrell-Renault 1:47.4781:43.796+5.495
1917 Flag of Germany.svg Christian Danner Arrows-BMW 1:48.8551:44.259+5.958
2014 Flag of the United Kingdom.svg Jonathan Palmer Zakspeed 1:49.8121:44.401+6.100
2115 Flag of Australia (converted).svg Alan Jones Lola-Ford 1:45.5211:44.450+6.149
2221 Flag of Italy.svg Piercarlo Ghinzani Osella-Alfa Romeo 1:49.0671:45.059+6.758
2323 Flag of Italy.svg Andrea de Cesaris Minardi-Motori Moderni 1:47.3591:46.705+8.404
2424 Flag of Italy.svg Alessandro Nannini Minardi-Motori Moderni 1:47.23011:12.906+8.929
2522 Flag of Canada (Pantone).svg Allen Berg Osella-Alfa Romeo 1:56.7411:48.682+10.381
2629 Flag of the Netherlands.svg Huub Rothengatter Zakspeed 1:49.68029:44.015+11.379

Race

PosNoDriverConstructorTyreLapsTime/RetiredGridPoints
112 Flag of Brazil (1968-1992).svg Ayrton Senna Lotus - Renault G 631:51:12.84719
226 Flag of France.svg Jacques Laffite Ligier - Renault P 63+ 31.01766
31 Flag of France.svg Alain Prost McLaren - TAG G 63+ 31.82474
427 Flag of Italy.svg Michele Alboreto Ferrari G 63+ 1:30.936113
55 Flag of the United Kingdom.svg Nigel Mansell Williams - Honda G 62+ 1 Lap22
67 Flag of Italy.svg Riccardo Patrese Brabham - BMW P 62+ 1 Lap81
711 Flag of the United Kingdom.svg Johnny Dumfries Lotus-Renault G 61+ 2 Laps14 
814 Flag of the United Kingdom.svg Jonathan Palmer Zakspeed G 61+ 2 Laps20 
94 Flag of France.svg Philippe Streiff Tyrrell-Renault G 61+ 2 Laps18 
108 Flag of the United Kingdom.svg Derek Warwick Brabham-BMW P 60+ 3 Laps15 
Ret17 Flag of Germany.svg Christian Danner Arrows-BMW G 51Electrical19 
Ret25 Flag of France.svg René Arnoux Ligier-Renault P 46Accident4 
Ret18 Flag of Belgium (civil).svg Thierry Boutsen Arrows-BMW G 44Accident13 
Ret23 Flag of Italy.svg Andrea de Cesaris Minardi-Motori Moderni P 43Gearbox23 
Ret6 Flag of Brazil (1968-1992).svg Nelson Piquet Williams-Honda G 41Accident3 
Ret28 Flag of Sweden.svg Stefan Johansson Ferrari G 40Electrical5 
Ret19 Flag of Italy.svg Teo Fabi Benetton-BMW P 38Gearbox17 
Ret16 Flag of the United States.svg Eddie Cheever Lola-Ford G 37Steering10 
Ret15 Flag of Australia (converted).svg Alan Jones Lola-Ford G 33Steering21 
Ret22 Flag of Canada (Pantone).svg Allen Berg Osella-Alfa Romeo P 28Electrical25 
Ret3 Flag of the United Kingdom.svg Martin Brundle Tyrrell-Renault G 15Electrical16 
Ret21 Flag of Italy.svg Piercarlo Ghinzani Osella-Alfa Romeo P 14Turbo22 
Ret2 Flag of Finland.svg Keke Rosberg McLaren-TAG G 12Transmission9 
Ret20 Flag of Austria.svg Gerhard Berger Benetton-BMW P 8Engine12 
Ret24 Flag of Italy.svg Alessandro Nannini Minardi-Motori Moderni P 3Turbo24 
DNS29 Flag of the Netherlands.svg Huub Rothengatter Zakspeed G 0Electrical26 
Source: [2] [3]

Championship standings after the race

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References

  1. "1986 Detroit Grand Prix weather information". Old Farmers' Almanac. Retrieved 2018-09-03.
  2. "1986 United States Grand Prix". formula1.com. Retrieved 18 November 2017.
  3. "1986 Detroit Grand Prix - Race Results & History - GP Archive". GPArchive.com. 22 June 1986. Retrieved 26 November 2021.
  4. 1 2 "USA 1986 - Championship • STATS F1". www.statsf1.com. Retrieved 15 March 2019.

Further reading


Previous race:
1986 Canadian Grand Prix
FIA Formula One World Championship
1986 season
Next race:
1986 French Grand Prix
Previous race:
1985 Detroit Grand Prix
Detroit Grand Prix Next race:
1987 Detroit Grand Prix