# 1973 24 Hours of Daytona

The 1973 24 Hours of Daytona was a 24-hour endurance sports car race held on February 3–4, 1973 at the Daytona International Speedway road course. The race served as the opening round of the 1973 World Sportscar Championship.
Victory overall and in the Sport 3000 class went to the No. 59 Brumos Racing Porsche 911 Carrera RSR driven by Peter Gregg and Hurley Haywood. Victory in the Grand Touring +2000 class went to the No. 22 North American Racing Team Ferrari Daytona driven by François Migault and Milt Minter. Victory in the Touring 5000 class went to the No. 9 Ray Kessler, Inc. Chevrolet Camaro driven by Ray Kessler, Richie Panch, and Wilbur Pickett. Victory in the Grand Touring 2000 class went to the No. 62 Bob Bergstrom Porsche 911 driven by Bob Bergstrom and Jim Cook. Victory in the Sports 2000 class went to the No. 10 Shierson Racing Chevron B19 driven by Bill Barber and Charlie Kemp. Victory in the Touring 2000 class went to the No. 84 Andy Petery BMW 2002 driven by Andy Petery and Hans Ziereis.

## Race results

Class winners in bold.
| Pos | Class | No | Team | Drivers | Chassis | Tyre | Laps |
| Pos | Class | No | Team | Drivers | Engine | Tyre | Laps |
| 1 | S3.0 | 59 | Brumos Racing | Peter Gregg Hurley Haywood | Porsche 911 Carrera RSR | G | 670 |
| 1 | S3.0 | 59 | Brumos Racing | Peter Gregg Hurley Haywood | Porsche 2.8L Flat 6 N/A | G | 670 |
| 2 | GT+2.0 | 22 | North American Racing Team | François Migault Milt Minter | Ferrari 365 GTB/4 | G | 648 |
| 2 | GT+2.0 | 22 | North American Racing Team | François Migault Milt Minter | Ferrari 4.4L V12 N/A | G | 648 |
| 3 | GT+2.0 | 5 | Dave Heinz | Dave Heinz Bob McClure Dana English | Chevrolet Corvette | G | 644 |
| 3 | GT+2.0 | 5 | Dave Heinz | Dave Heinz Bob McClure Dana English | Chevrolet 7.0L V8 N/A | G | 644 |
| 4 | GT+2.0 | 77 | Silverstone Racing | George Stone Bruce Jennings Mike Downs | Porsche 911 | G | 638 |
| 4 | GT+2.0 | 77 | Silverstone Racing | George Stone Bruce Jennings Mike Downs | Porsche 2.5L Flat 6 N/A | G | 638 |
| 5 | GT+2.0 | 21 | North American Racing Team | Luigi Chinetti Jr. Bob Grossman Wilbur Shaw Jr. | Ferrari 365 GTB/4 | G | 632 |
| 5 | GT+2.0 | 21 | North American Racing Team | Luigi Chinetti Jr. Bob Grossman Wilbur Shaw Jr. | Ferrari 4.4L V12 N/A | G | 632 |
| 6 | GT+2.0 | 54 | Porsche Kremer Racing | John Fitzpatrick Erwin Kremer Paul Keller | Porsche 911 | D | 630 |
| 6 | GT+2.0 | 54 | Porsche Kremer Racing | John Fitzpatrick Erwin Kremer Paul Keller | Porsche 2.5L Flat 6 N/A | D | 630 |
| 7 | T5.0 | 9 | Ray Kessler, Inc. | Ray Kessler Richie Panch Wilbur Pickett | Chevrolet Camaro Z28 | G | 592 |
| 7 | T5.0 | 9 | Ray Kessler, Inc. | Ray Kessler Richie Panch Wilbur Pickett | Chevrolet 5.0L V8 N/A | G | 592 |
| 8 | GT+2.0 | 15 | Toad Hall Motor Racing | Michael Keyser Tony Adamowicz Bob Beasley | Porsche 911 | ? | 587 |
| 8 | GT+2.0 | 15 | Toad Hall Motor Racing | Michael Keyser Tony Adamowicz Bob Beasley | Porsche 2.5L Flat 6 N/A | ? | 587 |
| 9 | GT+2.0 | 56 | Joest Racing | Sepp Greger Kurt Hild Didier Schmid | Porsche 911 | ? | 574 |
| 9 | GT+2.0 | 56 | Joest Racing | Sepp Greger Kurt Hild Didier Schmid | Porsche 2.5L Flat 6 N/A | ? | 574 |
| 10 | GT2.0 | 62 | Bob Bergstrom | Bob Bergstrom Jim Cook | Porsche 911 | ? | 571 |
| 10 | GT2.0 | 62 | Bob Bergstrom | Bob Bergstrom Jim Cook | Porsche 2.0L Flat 6 N/A | ? | 571 |
| 11 | GT+2.0 | 43 | Dave Helmick | Dave Helmick John O'Steen Stephen Behr | Porsche 911 | ? | 558 |
| 11 | GT+2.0 | 43 | Dave Helmick | Dave Helmick John O'Steen Stephen Behr | Porsche 2.5L Flat 6 N/A | ? | 558 |
| 12 | S3.0 | 19 | Harry Bytzek | Rudy Bartling Harry Bytzek Bert Kuehne | Porsche 908/02 | F | 532 |
| 12 | S3.0 | 19 | Harry Bytzek | Rudy Bartling Harry Bytzek Bert Kuehne | Porsche 3.0L Flat 8 N/A | F | 532 |
| 13 | T5.0 | 30 | Guido C. Levetto | Mario Levetto Guido Levetto Ara Dube | Chevrolet Camaro | ? | 532 |
| 13 | T5.0 | 30 | Guido C. Levetto | Mario Levetto Guido Levetto Ara Dube | Chevrolet 5.0L V8 N/A | ? | 532 |
| 14 | GT+2.0 | 51 | Airport Motorsport | Klaus Selbert W. Marvin Schoenfeld Bob Klempel | Porsche 911 | ? | 499 |
| 14 | GT+2.0 | 51 | Airport Motorsport | Klaus Selbert W. Marvin Schoenfeld Bob Klempel | Porsche 2.5L Flat 6 N/A | ? | 499 |
| 15 DNF | GT+2.0 | 49 | John Greenwood | Don Yenko Robert R. Johnson | Chevrolet Corvette | ? | 494 |
| 15 DNF | GT+2.0 | 49 | John Greenwood | Don Yenko Robert R. Johnson | Chevrolet 7.0L V8 N/A | ? | 494 |
| 16 | T5.0 | 80 | Byron Cook Racing | John Elliott Bill McDill | Chevrolet Camaro | ? | 488 |
| 16 | T5.0 | 80 | Byron Cook Racing | John Elliott Bill McDill | Chevrolet 5.0L V8 N/A | ? | 488 |
| 17 | T5.0 | 75 | Don Winter | Larry Bock Carl Shafer Gene Harrington | Chevrolet Camaro | ? | 451 |
| 17 | T5.0 | 75 | Don Winter | Larry Bock Carl Shafer Gene Harrington | Chevrolet 5.0L V8 N/A | ? | 451 |
| 18 | T5.0 | 33 | John McComb | John McComb Dave Dooley | Ford Mustang | ? | 437 |
| 18 | T5.0 | 33 | John McComb | John McComb Dave Dooley | Ford N/A | ? | 437 |
| 19 DNF | S3.0 | 6 | Penske Racing | Mark Donohue George Follmer | Porsche 911 Carrera RSR | G | 405 |
| 19 DNF | S3.0 | 6 | Penske Racing | Mark Donohue George Follmer | Porsche 2.8L Flat 6 N/A | G | 405 |
| 20 DNF | GT+2.0 | 20 | North American Racing Team | Arturo Merzario Jean-Pierre Jarier | Ferrari 365 GTB/4 | G | 394 |
| 20 DNF | GT+2.0 | 20 | North American Racing Team | Arturo Merzario Jean-Pierre Jarier | Ferrari 4.4L V12 N/A | G | 394 |
| 21 DNF | GT+2.0 | 31 | Locke Development Corporation | Jim Locke Bob Bailey | Porsche 911 | ? | 387 |
| 21 DNF | GT+2.0 | 31 | Locke Development Corporation | Jim Locke Bob Bailey | Porsche 2.5L Flat 6 N/A | ? | 387 |
| 22 DNF | S3.0 | 2 | Gulf Racing | Mike Hailwood John Watson | Mirage M6 | F | 366 |
| 22 DNF | S3.0 | 2 | Gulf Racing | Mike Hailwood John Watson | Ford 3.0L V8 N/A | F | 366 |
| 23 DNF | S2.0 | 10 | Shierson Racing | Bill Barber Charlie Kemp | Chevron B19 | G | 337 |
| 23 DNF | S2.0 | 10 | Shierson Racing | Bill Barber Charlie Kemp | Ford I4 N/A | G | 337 |
| 24 | T2.0 | 84 | Andy Petery | Andy Petery Hans Ziereis | BMW 2002 | ? | 313 |
| 24 | T2.0 | 84 | Andy Petery | Andy Petery Hans Ziereis | BMW 2.0L I4 N/A | ? | 313 |
| 25 DNF | GT+2.0 | 23 | North American Racing Team | Claude Ballot-Léna Jean-Claude Andruet | Ferrari 365 GTB/4 | G | 284 |
| 25 DNF | GT+2.0 | 23 | North American Racing Team | Claude Ballot-Léna Jean-Claude Andruet | Ferrari 4.4L V12 N/A | G | 284 |
| 26 DNF | S3.0 | 12 | Scuderia Filipinetti | Reine Wisell Jean-Louis Lafosse Hughes de Fierlant | Lola T282 | G | 281 |
| 26 DNF | S3.0 | 12 | Scuderia Filipinetti | Reine Wisell Jean-Louis Lafosse Hughes de Fierlant | Ford 3.0L V8 N/A | G | 281 |
| 27 DNF | S3.0 | 3 | Equipe Matra-Simca | François Cevert Jean-Pierre Beltoise Henri Pescarolo | Matra-Simca MS670 | G | 267 |
| 27 DNF | S3.0 | 3 | Equipe Matra-Simca | François Cevert Jean-Pierre Beltoise Henri Pescarolo | Matra 3.0L V12 N/A | G | 267 |
| 28 DNF | S3.0 | 57 | Reinhold Jöst | Reinhold Jöst Mario Casoni Paul Blancpain | Porsche 908 | F | 244 |
| 28 DNF | S3.0 | 57 | Reinhold Jöst | Reinhold Jöst Mario Casoni Paul Blancpain | Porsche 3.0L Flat 6 N/A | F | 244 |
| 29 DNF | S2.0 | 57 | Promotion Advertising | Hugh Kleinpeter Jim Gammon Tom Shelton | Chevron B21 | G | 241 |
| 29 DNF | S2.0 | 57 | Promotion Advertising | Hugh Kleinpeter Jim Gammon Tom Shelton | Ford I4 N/A | G | 241 |
| 30 DNF | T5.0 | 7 | Eddie Johnson | Clay Young Eddie Johnson Jim Fitzgerald | Chevrolet Camaro | ? | 233 |
| 30 DNF | T5.0 | 7 | Eddie Johnson | Clay Young Eddie Johnson Jim Fitzgerald | Chevrolet 5.0L V8 N/A | ? | 233 |
| 31 DNF | S2.0 | 93 | Professional Racing | Bob Fisher Tom Gloy | Chevron B16 | F | 230 |
| 31 DNF | S2.0 | 93 | Professional Racing | Bob Fisher Tom Gloy | Ford I4 N/A | F | 230 |
| 32 | GT2.0 | 38 | Quintanilla/Muniz | Daniel Muñiz Roberto Quintanilla | Porsche 914-6 GT | G | 215 |
| 32 | GT2.0 | 38 | Quintanilla/Muniz | Daniel Muñiz Roberto Quintanilla | Porsche 2.0L Flat 6 N/A | G | 215 |
| 33 DNF | GT+2.0 | 89 | Holbert Porsche | Mike Tillson Al Holbert Dieter Oest | Porsche 911 | ? | 213 |
| 33 DNF | GT+2.0 | 89 | Holbert Porsche | Mike Tillson Al Holbert Dieter Oest | Porsche Flat 6 N/A | ? | 213 |
| 34 DNF | T5.0 | 96 | U.S. Davis Racing | Jose Rodriguez Reinaldo Almeida | Chevrolet Camaro | ? | 198 |
| 34 DNF | T5.0 | 96 | U.S. Davis Racing | Jose Rodriguez Reinaldo Almeida | Chevrolet 7.0L V8 N/A | ? | 198 |
| 35 DNF | GT+2.0 | 64 | Weaver Chevrolet | Bob Baechle Roger Pierce Alex Davidson | Chevrolet Corvette C3 | G | 191 |
| 35 DNF | GT+2.0 | 64 | Weaver Chevrolet | Bob Baechle Roger Pierce Alex Davidson | Chevrolet 7.0L V8 N/A | G | 191 |
| 36 | S3.0 | 1 | Gulf Racing | Derek Bell Howden Ganley | Mirage M6 | F | 179 |
| 36 | S3.0 | 1 | Gulf Racing | Derek Bell Howden Ganley | Ford 3.0L V8 N/A | F | 179 |
| 37 DNF | GT2.0 | 16 | Toad Hall Motor Sport | Peter Kirill Russ Norburn Bill Bean | Porsche 911 | ? | 175 |
| 37 DNF | GT2.0 | 16 | Toad Hall Motor Sport | Peter Kirill Russ Norburn Bill Bean | Porsche 2.0L Flat 6 N/A | ? | 175 |
| 38 DNF | S2.0 | 88 | Ed Abate | Ed Abate Bill Cuddy | Porsche 910 | G | 167 |
| 38 DNF | S2.0 | 88 | Ed Abate | Ed Abate Bill Cuddy | Porsche 2.0L Flat 6 N/A | G | 167 |
| 39 DNF | GT+2.0 | 58 | Brumos Racing | Andrew Carduner Jacques Bienvenue | Porsche 911 | ? | 127 |
| 39 DNF | GT+2.0 | 58 | Brumos Racing | Andrew Carduner Jacques Bienvenue | Porsche 2.5L Flat 6 N/A | ? | 127 |
| 40 DNF | T5.0 | 94 | Bolus & Snopes | Steve Ross Bob Mitchell Dave Houser | Chevrolet Camaro | ? | 120 |
| 40 DNF | T5.0 | 94 | Bolus & Snopes | Steve Ross Bob Mitchell Dave Houser | Chevrolet 5.0L V8 N/A | ? | 120 |
| 41 DNF | GT+2.0 | 11 | Troy Promotions, Inc. | Tony DeLorenzo Maurice Carter | Chevrolet Corvette | F | 101 |
| 41 DNF | GT+2.0 | 11 | Troy Promotions, Inc. | Tony DeLorenzo Maurice Carter | Chevrolet 7.0L V8 N/A | F | 101 |
| 42 DNF | GT+2.0 | 99 | Diego Febles | Horacio Alvarez Diego Febles | Porsche 911 | ? | 65 |
| 42 DNF | GT+2.0 | 99 | Diego Febles | Horacio Alvarez Diego Febles | Porsche 2.5L Flat 6 N/A | ? | 65 |
| 43 DNF | GT+2.0 | 34 | Murray Racing | Jerry Thompson Ike Knupp Mike Murray | Chevrolet Corvette | G | 50 |
| 43 DNF | GT+2.0 | 34 | Murray Racing | Jerry Thompson Ike Knupp Mike Murray | Chevrolet 7.0L V8 N/A | G | 50 |
| 44 DNF | T5.0 | 8 | Automotive Engineering Enterprises | Tom Nehl Steve Durst | Chevrolet Camaro | ? | 49 |
| 44 DNF | T5.0 | 8 | Automotive Engineering Enterprises | Tom Nehl Steve Durst | Chevrolet 5.0L V8 N/A | ? | 49 |
| 45 DNF | GT+2.0 | 29 | Jef Stevens | Ralph Noseda Ray Mummery | Chevrolet Camaro | ? | 38 |
| 45 DNF | GT+2.0 | 29 | Jef Stevens | Ralph Noseda Ray Mummery | Chevrolet V8 N/A | ? | 38 |
| 46 DNF | T5.0 | 14 | C. C. Canada | C. C. Canada Bob Christiansen John Tremblay | Chevrolet Camaro | ? | 29 |
| 46 DNF | T5.0 | 14 | C. C. Canada | C. C. Canada Bob Christiansen John Tremblay | Chevrolet 5.0L V8 N/A | ? | 29 |
| 47 DNF | T5.0 | 17 | Takondo Racing | Vince Gimondo Billy Dingman | Chevrolet Camaro | ? | 15 |
| 47 DNF | T5.0 | 17 | Takondo Racing | Vince Gimondo Billy Dingman | Chevrolet 5.0L V8 N/A | ? | 15 |
| 48 DNF | T5.0 | 55 | Tiny Lund | Tiny Lund Stephen Behr Jimmy Capps | Pontiac Firebird | ? | 15 |
| 48 DNF | T5.0 | 55 | Tiny Lund | Tiny Lund Stephen Behr Jimmy Capps | Pontiac 5.0L V8 N/A | ? | 15 |
| 49 DNF | S2.0 | 41 | Parametrics Systems | Raymond Gage Jim Grob Gary Ouellette | Lotus 23 | G | 14 |
| 49 DNF | S2.0 | 41 | Parametrics Systems | Raymond Gage Jim Grob Gary Ouellette | BMW 2.0L I4 N/A | G | 14 |
| 50 DNF | T2.0 | 25 | John Buffum | Bert Everett John Buffum Wilbur Pickett | Ford Escort RS 1600 | ? | 9 |
| 50 DNF | T2.0 | 25 | John Buffum | Bert Everett John Buffum Wilbur Pickett | Ford 2.0L I4 N/A | ? | 9 |
| 51 DNF | GT+2.0 | 48 | John Greenwood | John Greenwood Ron Grable | Chevrolet Corvette | ? | 7 |
| 51 DNF | GT+2.0 | 48 | John Greenwood | John Greenwood Ron Grable | Chevrolet 7.0L V8 N/A | ? | 7 |
| 52 DNF | T5.0 | 47 | Chitwood Racing | Tim Chitwood Joie Chitwood Bob Nagel | Chevrolet Camaro | ? | 6 |
| 52 DNF | T5.0 | 47 | Chitwood Racing | Tim Chitwood Joie Chitwood Bob Nagel | Chevrolet 5.0L V8 N/A | ? | 6 |
| 53 DNF | T2.0 | 24 | John Buffum | Fred van Beuren Jr. Guillermo Rojas Héctor Rebaque | Ford Escort RS 1600 | ? | 0 |
| 53 DNF | T2.0 | 24 | John Buffum | Fred van Beuren Jr. Guillermo Rojas Héctor Rebaque | Ford I4 N/A | ? | 0 |
| DNQ | GT2.0 | 73 | Dale Kreider | Dale Kreider Rick Silvers Paul Toppino | Triumph GT6 | ? | - |
| DNQ | GT2.0 | 73 | Dale Kreider | Dale Kreider Rick Silvers Paul Toppino | ? | ? | - |
| DNQ | T5.0 | 27 | Ernie Shaw | Ernie Shaw Norm Mosher Al Straub | Ford Mustang | ? | - |
| DNQ | T5.0 | 27 | Ernie Shaw | Ernie Shaw Norm Mosher Al Straub | ? | ? | - |
| DNQ | GT+2.0 | 78 | J. G. Racing | Jacques Graham Gordon Johnson | Datsun 240Z | ? | - |
| DNQ | GT+2.0 | 78 | J. G. Racing | Jacques Graham Gordon Johnson | ? | ? | - |
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