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1975 USAC Championship Car season

Sports season

Sports season

The 1975 USAC Championship Car season consisted of 13 races, beginning in Ontario, California on March 2 and concluding in Avondale, Arizona on November 9. The USAC National Champion was A. J. Foyt and the Indianapolis 500 winner was Bobby Unser.

Entrants

(partial list)

TeamChassisEngineDriversRounds
United States A.J. Foyt EnterprisesCoyoteFoytUS A.J. Foyt1, 3-13
United States All American RacersEagleOffenhauserUS Bobby Unser2-3, 6-9, 11
United States Bob FletcherEagleOffenhauserUS Lee Kunzman1, 3
EagleOffenhauserUS Pancho Carter1, 3-4, 6-13
United States MVSEagleOffenhauserUS Lee Kunzman6
United States Alex MoralesEagleOffenhauserUS Jimmy Caruthers2-4, 6, 8-12
United States GerhardtEagleOffenhauserUS Gary Bettenhausen1, 3-4, 7-10, 13
United States Grant KingKingOffenhauserUS Bentley Warren6, 8
KingOffenhauserUS Sheldon Kinser6, 8
United States Jerry O"Connell RacingEagleOffenhauserUS Bill Vukovich II2-4, 6-11, 13
EagleOffenhauserUS Mike Mosley1, 3-10
EagleOffenhauserUS Al Unser12
EagleOffenhauserUS Mario Andretti13
United States Joe HuntEagleOffenhauserUS John Martin13
United States Lindsey Hopkins RacingMcLaren (5)
Riley (1, 3-4, 6-13)OffenhauserUS Roger McCluskey1, 3-13
United States George WaltherMcLarenOffenhauserUS Salt Walther2-9, 11-12
United States GerhardtEagleOffenhauserUS George Snider9
United States Dick SimonEagleFoytUS Dick Simon2-13
United States Leader Card RacingEagleOffenhauserUS George Snider2-13
United States Al LoquastoMcLarenOffenhauserUS Al Loquasto2-6, 8-9, 11-13
United States John MartinMcLarenOffenhauserUS John Martin1, 3-12
United Kingdom McLarenMcLarenOffenhauserUS Johnny Rutherford2-13
United States Patrick RacingEagle (3-4)
Wildcat (1, 5-13)Offenhauser (3-4)
(DGS (1, 5-13)US Gordon Johncock1, 3-13
Eagle (1-5, 10)
Wildcat (6-9, 11-13)Offenhauser (1-5, 10)
DGS (6-9, 11-13)US Wally Dallenbach2-13
EagleOffenhauserUS Steve Krisiloff2-13
United States Team PenskeMcLarenOffenhauserUS Tom Sneva1, 3-6, 8-13
McLarenOffenhauserUS Bobby Allison2-3, 6, 8-9
United States Vatis EnterprisesFinleyOffenhauserUS Lee Kunzman8
Finley (1, 3-5, 7-12) Eagle (6)OffenhauserUS Johnny Parsons1, 3-12
United States Vel's Parnelli Jones RacingEagleOffenhauserUS Mario Andretti3, 6, 8
Eagle (1, 3, 6, 8)
Parnelli (13)Offenhauser (1, 3, 6, 8)
Cosworth (13)US Al Unser1, 3, 6, 8, 13
United States Volstedt EnterprisesVolstedtOffenhauserUS Tom Bigelow2-3, 6-10, 13

Schedule and results

All races running on Oval/Speedway.

RndDateRace nameTrackLocationPole positionWinning driver1A1B234**NC**56789101112
March 2California 500 Qualification Heat 1Ontario Motor SpeedwayOntario, CaliforniaUSA A. J. FoytUSA A. J. Foyt
California 500 Qualification Heat 2USA Bobby UnserUSA Wally Dallenbach Sr.
March 9[California 500](1975-california-500)USA A. J. FoytUSA A. J. Foyt
March 16Bricklin 150Phoenix International RacewayAvondale, ArizonaUSA Gordon JohncockUSA Johnny Rutherford
April 6Trenton 200Trenton International SpeedwayTrenton, New JerseyUSA Tom SnevaUSA A. J. Foyt
April 27World Series of Auto RacingTrenton International SpeedwayTrenton, New JerseyUSA A. J. FoytUSA Johnny Rutherford
May 25[International 500 Mile Sweepstakes](1975-indianapolis-500)Indianapolis Motor SpeedwaySpeedway, IndianaUSA A. J. FoytUSA Bobby Unser
June 8Rex Mays ClassicWisconsin State Fair Park SpeedwayWest Allis, WisconsinUSA A. J. FoytUSA A. J. Foyt
June 29[Schaefer 500](1975-schaefer-500)Pocono International RacewayLong Pond, PennsylvaniaUSA Gordon JohncockUSA A. J. Foyt
July 20Norton 200Michigan International SpeedwayBrooklyn, MichiganUSA A. J. FoytUSA A. J. Foyt
August 17Tony Bettenhausen 200Wisconsin State Fair Park SpeedwayWest Allis, WisconsinUSA Johnny RutherfordUSA Mike Mosley
September 13Michigan Grand PrixMichigan International SpeedwayBrooklyn, MichiganUSA A. J. FoytUSA Tom Sneva
September 21Trenton 150Trenton International SpeedwayTrenton, New JerseyUSA A. J. FoytUSA Gordon Johncock
November 9Phoenix 150Phoenix International RacewayAvondale, ArizonaUSA Gordon JohncockUSA A. J. Foyt

: Scheduled for 500 miles, stopped early due to rain.

Final points standings

Note 1: Bobby Allison and George Follmer are not eligible for points.

Note 2: Jerry Grant scored points at Ontario but competed with an FIA license.

Note 3: Bentley Warren scored 100 points at Pocono, but forfeited those points due to a rule violation.

PosDriverONT
Q-H1ONT
Q-H2ONT
500PHX1
150TRE1
200WSE[INDY](1975-indianapolis-500)
500MIL1
150POC
500MIS1
200MIL2
200MIS2
150TRE2
150PHX2
150Pts14920229003248942305520806183071675816309134510128011118012102013930147451574016560174501840019380202752126022220232102416525120261152711528105291003090317032503345344035403614-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0PosDriverONT
Q-H1ONT
Q-H2ONT
500PHX1
150TRE1
200WSE[INDY](1975-indianapolis-500)
500MIL1
150POC
500MIS1
200MIL2
200MIS2
150TRE2
150PHX2
150Pts
USA A. J. Foyt**1****1**31**4****3****1**1**1**20**7****2**1
USA Johnny Rutherford2171212366**13**2311
USA Bobby Unser**10**2122253
USA Wally Dallenbach Sr.11065394219416512
USA Bill Vukovich II4234967338114
USA Tom Sneva967**6**72229231132
USA Roger McCluskey813DNQ7658412195618
USA Steve Krisiloff3354511172885DNQ1520
USA Pancho Carter219846244148DNQ8
USA Gordon Johncock515**2**1023114**20**11261**23**
USA John Martin6513982715721718817
USA Mike Mosley10119326531131
USA Jimmy Caruthers521DNQ1487647
USA Gary Bettenhausen1114101595DNS6
USA Lee Kunzman34DNQ17
USA Bill Puterbaugh799
USA Al Unser726163245
USA George SniderDNS201881022
USA Al Loquasto15711DNQDNQ1214171416
CAN Eldon Rasmussen792419161221
USA Salt Walther128171333DNP33DNQ2218
USA Dick Simon132414811211323917151113
USA Mario Andretti2828253
USA Spike Gehlhausen101015191014
USA Billy Scott429DNQ
USA Tom Bigelow111618122116919
USA Johnny ParsonsDNS251212101920261521139
USA John Hubbard14Wth21101016DNQ
USA Larry CannonDNQ12912
USA Jim McElreath18DNS127
USA Tom Frantz191111141724
USA Sheldon Kinser1215
USA Lloyd Ruby3210
USA Jerry Karl9331316
USA Billy Cassella11
USA Bob HarkeyDNS301610302115
USA Bobby Allison632252717
USA George Follmer8DNQWth
USA Bentley Warren2311
USA Jerry Grant1612201418DNS
USA Rick Muther27DNQ13
USA Lee Brayton1422
USA Chuck Gurney1515Wth18
USA Mel Cornett16
USA Sam Sessions17
USA Larry McCoy3130182020DNP
USA Ed Finley18
USA Benny Rapp19
CAN Frank Weiss22
USA Larry Dickson22
USA Mike Hiss29
USA Bill SimpsonDNSWth
USA Dan MurphyDNPWth
USA Jim HurtubiseDNQ
NZL Graham McRaeDNQ
USA Bob NagelWth
USA Jan OppermanDNQ
USA Jigger SiroisWth
USA Jerry SnevaWth
USA Ken NicholsDNQ
USA Jack OwensDNQ
CAN John CannonDNP
MEX Michel Jourdain Sr.DNP
USA Joe LeonardDNP
USA Steve ChasseyDNP
ColorResult
GoldWinner
Silver2nd place
Bronze3rd place
Green4th & 5th place
Light Blue6th-10th place
Dark BlueFinished
(Outside Top 10)
PurpleDid not finish
(Ret)
RedDid not qualify
(DNQ)
BrownWithdrawn
(Wth)
BlackDisqualified
(DSQ)
WhiteDid not start
(DNS)
BlankDid not
participate
(DNP)
Not competing

|- |

Rookie

|} |}

References

  • http://media.indycar.com/pdf/2011/IICS_2011_Historical_Record_Book_INT6.pdf (p. 221-222)
  • https://www.champcarstats.com/year/1975.htm Retrieved August 9, 2025
  • https://www.oldracingcars.com/indy/1975/ Retrieved August 9, 2025
  • https://www.racingyears.com/results/1975/USAC Retrieved August 9, 2025
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