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词条 1970 12 Hours of Sebring
释义

  1. Pre-race

  2. Race

  3. Official results

  4. Statistics

  5. References

The 1970 12 Hours of Sebring was an endurance race held at the 5.2 mile (8.3 km) Sebring International Raceway, Sebring, Florida, United States on March 21, 1970. It was the twentieth running of the endurance classic and the second round of the 1970 World Sportscar Championship season.[1]

Pre-race

John Wyer's Gulf-Porsche team had just come fresh off a 1-2 victory at Daytona 7 weeks earlier. So far, Porsche was ahead in the championship against their only real rival, Ferrari. When the teams descended upon the isolated and very bumpy 5.2 mile Sebring airfield circuit in central Florida, qualifying was a mix of Ferraris and Porsches: American Mario Andretti qualified the #19 works Ferrari 512S Spyder on pole position at 121 mph at 2:33.5- 5 mph and 6.5 seconds faster than Chris Amon's time the year previous in a works Ferrari 312P and almost a second ahead of the #14 Jo Siffert/Brian Redman Gulf-Porsche 917K. Following them were the Porsche/Audi USA sponsored Porsche 917K driven by Vic Elford and Kurt Ahrens, Jr., the #20 works Ferrari 512S Spyder of Jacky Ickx/Peter Schetty, the #15 Gulf-Porsche 917K of Pedro Rodríguez/Leo Kinnunen, and a NART-entered Ferrari 512S Spyder of Sam Posey/Ronnie Bucknum and the #21 works Ferrari 512S of Ignazio Giunti/Nino Vaccarella.

Race

The 1970 running is considered by many to be the best 12 Hours of Sebring ever. This was the first 12 Hours of Sebring where the cars used a rolling start, a procedure similar to the start which is used at the Indianapolis 500, and has been used at every Sebring 12 Hours to this day. Before 1970, the drivers did a traditional Le Mans start, but the events of the 1969 Le Mans race in which English driver John Woolfe was killed driving his Porsche 917 after a crash in which he did not have his seatbelts fastened led the governing body to ban Le Mans starts on grounds of safety.

A group of 5-liter entries led away; Andretti led from pole position, followed by Siffert, Elford, Ickx, Rodriguez and the rest of the field, which included works Matra and Alfa Romeo prototypes, running in the 3-liter class. There was an accident between two Lolas- Bob Brown in the #26 car would continue, but Mike De Udy in the other Lola would retire after just one lap.

Ickx then moved ahead of Elford into 3rd, behind Siffert and Andretti, the former setting a fastest lap of 2:32.77 in an effort to catch Andretti, and he did for 2 laps- but Andretti regained it then lost it again when he pitted for fuel and a driver change. Other teams stopped for fuel and driver changes, as Andretti switched out with Merzario and Siffert with Redman. The #19's stop dropped it down to 5th, and moments later, Redman brought in the #14 car with electrical trouble. It was a lengthy pitstop, and the car dropped down the order. The order now was the #15 Porsche 917K of Rodriguez/Kinnunen, #16 Porsche 917K of Elford/Ahrens Jr, and the 3 works Ferraris. Near the 3rd hour, Rodriguez brought the leading car into the pits with a puncture. Although they were able to change the punctured tire and send Rodriguez out again, it was 4 laps behind the leading #19 Ferrari. The #16 car crashed and was out of the race with irreparable suspension damage. The Porsche 917K's problems allowed all three works Ferraris to lead the field into the night. And running in 5th place was a Solar Productions/Gulf sponsored #48 Porsche 908/02 of movie star and racer Steve McQueen (whose leg was in a cast) and Peter Revson, who was battling with the #33 works Alfa Romeo T33/3 of Toine Hezemans/Masten Gregory.

When night fell, the #20 Ickx/Schetty Ferrari went out after 151 laps with a blown head gasket, and the #21 Giunti/Vaccarella car was in the pits being repaired. Although the #19 Andretti/Merzario was still leading, and the #14 Redman/Kinnunen car, which had suffered newly designed front hub failures previously which caused it to drop out of contention, was out after 211 laps due to accident damage (Kinnunen and Siffert had switched cars; Siffert was now driving with Rodriguez). Then, Andretti brought the leading car in with gearbox problems. Although Merzario took the car back out again in the lead, the second-placed #15 Rodriguez/Siffert Porsche 917K was coming back after being 12 laps down for a while they were able to make up most of this deficit after the #19 Ferrari was in the pits. The Solar Productions Porsche 908/02 was in 3rd and the #21 Giunti/Vaccarella car was in 4th. And at 9:46 p.m. The #19 Ferrari was out of the race, which put the Rodriguez/Siffert Porsche 917K in the lead and the McQueen/Revson car was in 2nd.

With 30 minutes remaining, one car still running and desperate for an overall victory, Ferrari team manager Mauro Forghieri decided to replace Giunti with the faster and more experienced Andretti in the #21 car. Although the #21 car was a lap behind; Andretti went out, and pushed very hard; unlapped himself and was making up time quickly on Siffert and Revson. But then all of a sudden, Siffert brought the #15 Gulf-Porsche 917K into the pits with front hub failure, the same problems which had stricken its sister car. This long pitstop allowed the Solar Productions Porsche 908/02 to take 1st- but Andretti had managed to pass Revson and take the lead back. But all of a sudden Andretti brought the car back into the pits for fuel- and the McQueen/Revson Porsche took the lead once again. But Andretti was not about to give up so easily – with only 1 lap to go he stormed out of the pits and chased down Revson, and at the end of the 5.2-mile lap Andretti crossed the line first, with Revson second (who managed to score a 3-liter class win), Masten Gregory in the #33 Alfa was third and the #15 Gulf-Porsche was fourth. Of the 68 cars that started the race, the brutal Sebring circuit managed to whittle the field down to 28 cars.

Official results

Pos Class No Team Drivers Chassis Engine Laps
1 S
5.0		 21Italy}} SpA Ferrari SEFACItaly}} Ignazio Giunti
{{flagicon|Italy}} Nino Vaccarella
{{flagicon|USA}} Mario Andretti		 Ferrari 512S Ferrari 5.0L V12 248
2 P
3.0		 48United States}} Solar ProductionsUnited States}} Steve McQueen
{{flagicon|United States}} Peter Revson		 Porsche 908/02 Porsche 3.0L Flat-8 248
3 P
3.0		 33Italy}} Autodelta SpANetherlands}} Toine Hezemans
{{flagicon|United States}} Masten Gregory		 Alfa Romeo T33/3 Alfa Romeo 3.0L V8 247
4 S
5.0		 15United Kingdom}} John Wyer Automotive EngineeringMexico}} Pedro Rodriguez
{{flagicon|Finland}} Leo Kinnunen
{{flagicon|Switzerland}} Jo Siffert		 Porsche 917K Porsche 4.5L Flat-12 244
5 P
3.0		 34France}} Equipe Matra-SimcaFrance}} Henri Pescarolo
{{flagicon|France}} Johnny Servoz-Gavin		 Matra-Simca MS650 Matra 3.0L V12 242
6 P
3.0		 22United States}} North American Racing Team (NART)United Kingdom}} Mike Parkes
{{flagicon|United States}} Chuck Parsons		 Ferrari 312P Coupe Ferrari 3.0L V12 240
7 P
3.0		 46Germany}} Martini InternationalGermany}} Gerhard Koch
{{flagicon|France}} Gérard Larrousse
{{flagicon|United Kingdom}} Richard Attwood		 Porsche 908/02 Porsche 3.0L Flat-8 236
8 P
3.0		 31Italy}} Autodelta SpAUnited Kingdom}} Piers Courage
{{flagicon|Italy}} Andrea de Adamich		 Alfa Romeo T33/3 Alfa Romeo 3.0L V8 231
9 P
3.0		 32Italy}} Autodelta SpAGermany}} Rolf Stommelen
{{flagicon|Italy}} Nanni Galli		 Alfa Romeo T33/3 Alfa Romeo 3.0L V8 230
10 GT
+5.0		 1United States}} Troy Promotions, Inc.United States}} Tony DeLorenzo
{{flagicon|United States}} Dick Lang		 Chevrolet Corvette Chevrolet 7.0L V8 219
11 GT
+5.0		 3United States}} Bob JohnsonUnited States}} Bob Johnson
{{flagicon|United States}} Robert R. Johnson
{{flagicon|United States}} Jim Greendyke		 Chevrolet Corvette Chevrolet 7.0L V8 214
12 P
3.0		 35France}} Equipe Matra-SimcaUnited States}} Dan Gurney
{{flagicon|France}} François Cevert		 Matra-Simca MS650 Matra 3.0L V12 213
13 GT
2.0		 53United States}} Brumos Porsche-AudiUnited States}} Peter Gregg
{{flagicon|United States}} Pete Harrison		 Porsche 911T Porsche 2.0L Flat-6 205
14 T
5.0		 40United States}} Takondo RacingUnited States}} Vince Gimondo
{{flagicon|United States}} Chuck Dietrich		 Chevrolet Camaro Chevrolet 5.0L V8 203
15 GT
2.0		 52Canada}} Jacques DuvalCanada}} Jacques Duval
{{flagicon|United States}} Bob Bailey
{{flagicon|Canada}} George Nicolas		 Porsche 911T Porsche 2.0L Flat-6 201
16 T
5.0		 39United States}} Bob MitchellUnited States}} Bob Mitchell
{{flagicon|United States}} Charlie Kemp		 Chevrolet Camaro Chevrolet 5.0L V8 191
17 GT
+5.0		 9United States}} Mamie Reynolds GregoryUnited States}} Bob Grossman
{{flagicon|United States}} Don Yenko		 Chevrolet Camaro Chevrolet 7.0L V8 189
18 T
5.0		 95United States}} Bruce Behrens RacingUnited States}} John Tremblay
{{flagicon|United States}} Bill McDill		 Chevrolet Camaro Chevrolet 5.0L V8 187
19 P
2.0		 73United States}} Ring Free Oil RacingUnited States}} Janet Guthrie
{{flagicon|Ireland}} Rosemary Smith
{{flagicon|United States}} Judy Kondratiff		 Austin-Healey Sprite BMC 1.3L I4 187
20 GT
+5.0		 2United States}} Troy-Promotions, Inc.United States}} Jerry Thompson
{{flagicon|United States}} John Mahler		 Chevrolet Corvette Chevrolet 7.0L V8 187
21 T
5.0		 91United States}} Flem-Car EnterprisesUnited States}} Jim Corwin
{{flagicon|United States}} Donna Mae Mims		 Chevrolet Camaro Chevrolet 5.0L V8 184
22 T
5.0		 92United States}} Preston HoodUnited States}} John Elliott
{{flagicon|United States}} Don Gwynne, Jr.		 Chevrolet Camaro Chevrolet 5.0L V8 182
23 T
2.0		 50United States}} Nationwide Food BrokersUnited States}} Mike Rahal
{{flagicon|United States}} Hugh Wise
{{flagicon|United States}} Werner Frank		 Porsche 906 Porsche 1.9L Flat-6 181
24 T
5.0		 37United States}} Collins-Wilson RacingUnited States}} Vincent P. Collins
{{flagicon|United States}} Larry Wilson		 Ford Mustang Ford 4.7L V8 175
25 GT
2.0		 57United States}} Waldron MotorsUnited States}} John Belpreche
{{flagicon|United States}} Jim Gammon
{{flagicon|United States}} Ray Mummery		 MGB BMC 1.8L I4 175
26 GT
2.0		 58United States}} Waldron MotorsUnited States}} Ben Scott
{{flagicon|United States}} Dave Houser
{{flagicon|United States}} Lowell Lanier		 MGB BMC 1.8L I4 169
27 T
5.0		 18United States}} Paul PetteyUnited States}} Paul Pettey
{{flagicon|United States}} Roy Hallquist		 Ford Mustang Ford 4.7L V8 162
28 T
2.0		 80United States}} Texas Speed MuseumUnited States}} Rod Kennedy
{{flagicon|United States}} Mike Tillson
{{flagicon|United States}} Robert Samm		 Lancia Fulvia HF Lancia 1.3L V4 157
29
NC		 P
2.0		 54United States}} Automobiles of ItalyUnited States}} Anatoly Artunoff
{{flagicon|United States}} Bill Pryor		 Abarth 2000SP Abarth 2.0L I4 166
30
NC		 S
3.0		 51United States}} Porsche-AudiUnited States}} Stephen Behr
{{flagicon|United States}} Merv Rosen		 Porsche 906 Porsche 1.9L Flat-6 158
31
NC		 S
3.0		 63Mexico}} Carlos FabreMexico}} Carlos Fabre
{{flagicon|Mexico}} Pepe Aguilar		 Chevron B8 BMW 1.9L I4
32
NC		 S
5.0		 26United States}} Randy's Auto Body ShopUnited States}} Bobby Brown
{{flagicon|United States}} Gregg Young
{{flagicon|Bahamas}} Robin Ormes		 Lola T70 Mk.3B Chevrolet 5.0L V8 114
33
NC		 T
2.0		 84United States}} HCASUnited States}} Walter Brown
{{flagicon|United States}} Joe Marcus
{{flagicon|United States}} Jim R. Sandman		 BMW 2002 BMW 2.0L I4 105
DNF P
3.0		 47Finland}} Racing Team AAWFinland}} Hans Laine
{{flagicon|Netherlands}} Gijs van Lennep		 Porsche 908/02 Porsche 3.0L Flat-8 229
DNF S
5.0		 19Italy}} SpA Ferrari SEFACUnited States}} Mario Andretti
{{flagicon|Italy}} Arturo Merzario		 Ferrari 512S Spyder Ferrari 5.0L V12 227
DNF S
5.0		 14United Kingdom}} John Wyer Automotive EngineeringSwitzerland}} Jo Siffert
{{flagicon|United Kingdom}} Brian Redman
{{flagicon|Finland}} Leo Kinnunen		 Porsche 917K Porsche 4.5L Flat-12 211
DNF GT
+5.0		 8United States}} Or CostanzoUnited States}} Dave Heinz
{{flagicon|United States}} Or Costanzo		 Chevrolet Corvette Chevrolet 7.0L V8 191
DNF GT
+5.0		 4United States}} John GreenwoodUnited States}} John Greenwood
{{flagicon|United States}} Allan Barker		 Chevrolet Corvette Chevrolet 7.0L V8 159
DNF S
5.0		 20Italy}} SpA Ferrari SEFACBelgium}} Jacky Ickx
{{flagicon|Switzerland}} Peter Schetty		 Ferrari 512S Spyder Ferrari 5.0L V12 151
DNF GT
2.0		 56United States}} British Leyland Motors, Inc.United States}} Jon Woodner
{{flagicon|United States}} Dan O'Connor		 MG Midget BMC 1.3L I4 117
DNF S
5.0		 29United States}} Auto EnterprisesUnited States}} Ray Heppenstall
{{flagicon|United States}} Francis C. Grant		 Ford GT40 Mk.I Ford 4.9L V8 117
DNF S
5.0		 24United States}} North American Racing Team (NART)United States}} Sam Posey
{{flagicon|United States}} Ronnie Bucknum
{{flagicon|United States}} Bert Everett		 Ferrari 512S Spyder Ferrari 5.0L V12 92
DNF GT
2.0		 55United States}} British Leyland Motors, Inc.United States}} Merle Brennan
{{flagicon|United States}} Logan Brennan		 MG Midget BMC 1.3L I4 84
DNF GT
+2.0		 82United States}} General PlasticsUnited States}} Robert Clark
{{flagicon|United States}} Wayne Marsula		 Lancia Fulvia HF Lancia 2.0L V4 78
DNF GT
2.0		 77United States}} Jennings/KeyserUnited States}} Bruce Jennings
{{flagicon|United States}} Bob Tullius		 Porsche 911T Porsche 2.0L Flat-6 78
DNF GT
2.0		 69United States}} Harry TheodoracopoulosUnited States}} Paul Spruell
{{flagicon|United States}} Wilbur Pickett		 Alfa Romeo Giulia Spider Alfa Romeo 1.75L I4 75
DNF P
2.0		 16United States}} Ring Free Oil RacingUnited States}} Jim Baker
{{flagicon|United Kingdom}} Clive Baker		 Chevron B16 Ford-Cosworth FVC 1.8L I4 70
DNF S
5.0		 16United States}} Porsche-Audi United StatesUnited Kingdom}} Vic Elford
{{flagicon|Germany}} Kurt Ahrens, Jr.		 Porsche 917K Porsche 4.5L Flat-12 61
DNF P
3.0		 23United States}} North American Racing Team (NART)United States}} Tony Adamowicz
{{flagicon|United States}} Luigi Chinetti, Jr.		 Ferrari 312P Coupe Ferrari 3.0L V12 56
DNF P
2.0		 67United States}} Sports MotorsUnited States}} Jim Bandy
{{flagicon|United States}} Fred Stevenson		 Lotus Europa Ford 1.6L I4 48
DNF T
+2.0		 38United States}} Dave McClainUnited States}} Don Kearney
{{flagicon|United States}} Joie Chitwood		 Chevrolet Camaro Chevrolet 5.0L V8 47
DNF T
+2.0		 41United States}} Laurel RacingUnited States}} Larry Brock
{{flagicon|United States}} Larry Dent		 Chevrolet Camaro Chevrolet 5.0L V8 40
DNF P
2.0		 62United Kingdom}} Chevron Cars LtdUnited Kingdom}} Brian Robinson
{{flagicon|United States}} Hugh Kleinpeter		 Chevron B16 Ford-Cosworth FVC 1.8L I4 38
DNF GT
2.0		 74United States}} Ralph MeaneyUnited States}} Ralph Meaney
{{flagicon|United States}} Bill Bean		 Porsche 911S Porsche 2.0L Flat-6 36
DNF GT
+5.0		 5United States}} William A. SchumacherUnited States}} Bill Schumacher
{{flagicon|United States}} Bill Petree		 Chevrolet Corvette Chevrolet 7.0L V8 34
DNF S
5.0		 17United States}} Porsche-Audi United StatesGermany}} Hans Herrmann
{{flagicon|Austria}} Rudi Lins		 Porsche 917K Porsche 4.5L Flat-12 28
DNF T
2.0		 87United States}} Robert WhitakerUnited States}} Robert Whitaker
{{flagicon|United States}} Harvey Eckoff
{{flagicon|United States}} Jack Slottag		 Volvo 122 S Volvo 1.8L I4 25
DNF S
5.0		 30United Kingdom}} Trevor GrahamUnited Kingdom}} Piers Forrester
{{flagicon|United Kingdom}} Andrew Hedges		 Ford GT40 Mk.I Ford 4.9L V8 22
DNF S
3.0		 49Germany}} Sepp GregerCanada}} Sepp Greger
{{flagicon|Germany}} Andreas Schmalbach		 Porsche 910 Porsche 1.9L Flat-6 22
DNF T
5.0		 14United States}} Ray Cuomo RacingUnited States}} Ray Cuomo
{{flagicon|United States}} Bernard Gimbel
{{flagicon|United States}} George Lissberg		 Ford Mustang Ford 4.7L V8 16
DNF T
2.0		 86United States}} Sandy's SparesUnited States}} Ronald D. Polimeni
{{flagicon|United States}} Robert Theall		 Volvo 122 S Volvo 1.8L I4 8
DNF GT
+5.0		 7United States}} Bruce Morehead RacingUnited States}} Bruce Morehead
{{flagicon|United States}} Milo Vega		 AMC AMX AMC 6.4L V8 8
DNF GT
2.0		 60United States}} Herrington MotorsUnited States}} Robert Kilpatrick
{{flagicon|United States}} Don Goodrich		 MGB BMC 1.8L I4 7
DNF P
2.0		 59United States}} Waldron MotorsUnited States}} Reggie Smith, Jr.
{{flagicon|United States}} Dean Donley
{{flagicon|United States}} Omar Buttari		 MG Midget BMC 1.8L I4 2
DNF T
2.0		 79United States}} Del Russo TaylorUnited States}} Del Russo Taylor
{{flagicon|United States}} Buzz Dyer
{{flagicon|United States}} Hank Sheldon		 Alfa Romeo GTV 1750 Alfa Romeo 1.75L I4 2
DNF S
5.0		 27United Kingdom}} Grand Bahama Racing TeamUnited Kingdom}} Mike De Udy
{{flagicon|United Kingdom}} Mike Hailwood		 Lola T70 Mk.3B Chevrolet 5.0L V8 1
DSQ T
2.0		 88United States}} Simone FlemingUnited States}} Paul Fleming
{{flagicon|United States}} Amos Johnson
{{flagicon|United States}} Bill Bowers		 Fiat 124 Fiat 1.4L I4 49
DSQ P
3.0		 45Germany}} Martini InternationalUnited Kingdom}} Richard Attwood
{{flagicon|France}} Gérard Larrousse		 Porsche 908/02 Porsche 3.0L Flat-8 31

Statistics

  • Pole position: #19 SpA Ferrari SEFAC Ferrari 512S Spyder (Mario Andretti/Arturo Merzario)- 2:33.5 (121.970 mph/196.254 km/h)
  • Fastest lap: #14 John Wyer Automotive Engineering Porsche 917K (Jo Siffert)- 2:32.77 (122.497 mph/197.102 km/h)
  • Distance: 2075.410 km (1281.117 mph)
  • Average Speed: 172.667 km/h (106.584 mph)
  • Weather conditions: Sunny

References

1. ^http://wspr-racing.com/wspr/results/wscc/ms1970.html#2
{{reflist|30em}}{{12 Hours of Sebring}}{{Sportscar Race Report
| Year_of_race = 1970
| Sportscar_Series = World Sportscar Championship
| Previous_race_in_season = 24 Hours of Daytona
| Next_race_in_season = 1000km of Brands Hatch
}}

4 : 12 Hours of Sebring|1970 in American motorsport|1970 in World Sportscar Championship|1970 in sports in Florida
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