# 24 uur van Daytona 1966

De 24 uur van Daytona 1966 was de 5e editie van deze endurancerace. Het was tevens de eerste keer dat het een 24-uursrace was, nadat vorige edities over 3 uur of 2000 kilometer waren gehouden. De race werd verreden op 5 en 6 februari 1966 op de Daytona International Speedway nabij Daytona Beach, Florida.
De race werd gewonnen door de Shelby American Inc. #98 van Ken Miles en Lloyd Ruby, die allebei hun tweede achtereenvolgende Daytona-zege behaalden. De P2.0-klasse werd gewonnen door de Porsche System Engineering #15 van Hans Herrmann en Herbert Linge. De S2.0-klasse werd gewonnen door de Porsche System Engineering #16 van Gerhard Mitter en Joe Buzzetta. De GT+3.0-klasse werd gewonnen door de Roger Penske #12 van Dick Guldstrand, Ben Moore en George Wintersteen. De S+3.0-klasse werd gewonnen door de Ford Advanced Vehicles #86 van Peter Sutcliffe en Bob Grossman. De GT2.0-klasse werd gewonnen door de RBM Motors #18 van Jack Ryan, Lin Coleman en Bill Bencker. De S3.0-klasse werd gewonnen door de Jack Slottag #30 van Larry B. Perkins en Jack Slottag. De GT3.0-klasse werd gewonnen door de Cannon Auto #43 van Dana Kelder, Ara Dube en Red Wilson. De GT1.6-klasse werd gewonnen door de Pompano Sports Cars #84 van Ben Scott, Peter Flanagan en Roger Chastain. De S1.6-klasse werd gewonnen door de Autosport #80 van Donna Mae Mims, Janet Guthrie en Suzy Dietrich.

## Race

Winnaars in hun klasse zijn vetgedrukt.
| Pos. | Klasse | No. | Team | Coureurs | Chassis | Ronden |
| 1 | P+2.0 | 98 | Shelby American Inc. | Ken Miles Lloyd Ruby | Ford Mk.II | 678 |
| 2 | P+2.0 | 97 | Shelby American Inc. | Dan Gurney Jerry Grant | Ford Mk.II | 670 |
| 3 | P+2.0 | 95 | Holman & Moody | Walt Hansgen Mark Donohue | Ford Mk.II | 669 |
| 4 | P+2.0 | 21 | North American Racing Team | Pedro Rodríguez Mario Andretti | Ferrari 365 P2 | 664 |
| 5 | P+2.0 | 96 | Shelby American Inc. | Chris Amon Bruce McLaren | Ford Mk.II | 651 |
| 6 | P2.0 | 15 | Porsche System Engineering | Hans Herrmann Herbert Linge | Porsche 906 | 623 |
| 7 | S2.0 | 16 | Porsche System Engineering | Gerhard Mitter Joe Buzzetta | Porsche 904 GTS | 612 |
| 8 | S2.0 | 17 | Porsche System Engineering | Günter Klass Udo Schütz | Porsche 904 GTS | 610 |
| 9 | P+2.0 | 22 | North American Racing Team | Jochen Rindt Bob Bondurant | Ferrari 250 LM | 591 |
| 10 | S2.0 | 14 | Brumos Porsche Florida | Peter Gregg George Drolsom | Porsche 904 GTS | 589 |
| 11 | S2.0 | 20 | Sam Posey | Sam Posey Jim Haynes Harry Theodoracopulos | Porsche 904 GTS | 577 |
| 12 | GT+3.0 | 12 | Roger Penske | Dick Guldstrand Ben Moore George Wintersteen | Chevrolet Corvette Sting Ray | 575 |
| 13 | P+2.0 | 23 | Peter Clarke | Mark Konig Peter Clarke Bob Hurt | Ferrari 250 LM | 574 |
| 14 | S+3.0 | 86 | Ford Advanced Vehicles | Peter Sutcliffe Bob Grossman | Ford GT40 | 571 |
| 15 | P+2.0 | 27 | David Piper | David Piper Richard Attwood | Ferrari 250 LM | 556 |
| 16 | GT2.0 | 18 | RBM Motors | Jack Ryan Lin Coleman Bill Bencker | Porsche 911 | 548 |
| 17 | S+3.0 | 92 | Essex Wire Corporation | Peter Revson Masten Gregory Ed Lowther | Ford GT40 | 531 |
| 18 | GT+3.0 | 90 | Michael Reina | Don Kearney Michael Reina | Ford Mustang | 527 |
| 19 | S3.0 | 30 | Jack Slottag | Larry B. Perkins Jack Slottag | Ferrari 250 GTO | 526 |
| 20 | GT+3.0 | 67 | Cannon Auto | George Cornelius Dick Boo Bob Brown | Chevrolet Corvette Sting Ray | 501 |
| 21 | S2.0 | 56 | William Martin | Ike Maxwell William Martin | Volvo P1800 | 496 |
| 22 | P2.0 | 41 | E. P. Drescher | Hugh Kleinpeter Harry Fry George Parsons | Triumph LM | 490 |
| 23 | GT3.0 | 43 | Cannon Auto | Dana Kelder Ara Dube Red Wilson | Triumph TR4A | 487 |
| 24 | GT3.0 | 45 | John Kingham | Herb Byrne Milo Vega | Triumph TR4A | 482 |
| 25 | GT1.6 | 84 | Pompano Sports Cars | Ben Scott Peter Flanagan Roger Chastain | Alfa Romeo Giulia Sprint | 474 |
| 26 | GT+3.0 | 54 | Ray Stoutenburg | Ray Stoutenburg Gene Jones Larry Isley | Plymouth Barracuda | 466 |
| 27 | P+2.0 | 75 | McMillan Ring Free Oil Co. | Art Riley Russ MacGrotty | Yenko Stinger | 448 |
| 28 | GT3.0 | 40 | Genser Forman | George Waltman Art Swanson Nick Cone | Triumph TR4 | 432 |
| 29 | P2.0 | 7 | John Olson | John Bolander Bob Winkelmann John Olson | Ford Cortina | 416 |
| 30 | S2.0 | 78 | Autosport | Rosemary Smith Smokey Drolet John Olson | Sunbeam Alpine | 416 |
| 31 | S2.0 | 73 | Fred Opert | William McKemie Terry Petmecky Fred Opert | Elva Courier Mk.IV | 391 |
| 32 | S1.6 | 80 | Autosport | Donna Mae Mims Janet Guthrie Suzy Dietrich | Sunbeam Alpine | 389 |
| NC | P2.0 | 79 | Autosport | Paul Richards Ray Cuomo | Austin-Healey Sprite | 491 |
| DNF | S+3.0 | 91 | Essex Wire Corporation | Dick Thompson Skip Scott Peter Revson | Ford GT40 | 500 |
| DNF | P+2.0 | 32 | North American Racing Team | George Follmer Don Wester Paul Hawkins | Ferrari 250 LM | 428 |
| DNF | GT2.0 | 44 | Kenneth Chambliss | Ernie Croucher Walter Glenn Bill Eve | MGB | 426 |
| DNF | S+3.0 | 29 | Epstein Enterprises Ltd. | Paul Hawkins Jackie Epstein | Ferrari 250 LM | 425 |
| DNF | S+3.0 | 94 | Ralph Noseda | Ralph Noseda Grant Clark Bob Thorpe Harry Heuer | Shelby Cobra | 419 |
| DNF | GT1.6 | 55 | J. Randall | Al Weaver John Fraim Chet Freeman | Lotus Elan | 383 |
| DNF | S+3.0 | 93 | Scuderia Bear | Harold Keck Oscar Koveleski Ed Lowther | Shelby Cobra | 371 |
| DNF | P+2.0 | 87 | Holman & Moody | Richie Ginther Ronnie Bucknum | Ford Mk.II | 329 |
| DNF | S+3.0 | 89 | Dan Gerber | Dan Gerber Bob Johnson Peter Lerch | Shelby Cobra | 328 |
| DNF | P+2.0 | 65 | Chaparral Cars Inc. | Jo Bonnier Phil Hill | Chaparral 2D | 318 |
| DNF | S1.6 | 36 | Cannon Auto | Wilbur Pickett Bill Bean | Alfa Romeo Giulia Zagato | 278 |
| DNF | GT3.0 | 42 | John Addison | Ken Hughes Fred Salo John Addison | Triumph TR4 | 244 |
| DNF | S2.0 | 59 | Art Riley | Don Yenko John Forte Art Riley | Volvo P1800 | 216 |
| DNF | P+2.0 | 31 | John Fulp | John Fulp Bill Rutan Bruce Jennings | Ferrari 330 P | 193 |
| DNF | S+3.0 | 88 | William Wonder | William Wonder Herb Wetanson | Ford GT40 | 178 |
| DNF | P+2.0 | 25 | Ecurie Francorchamps | Lucien Bianchi Gérard Langlois van Ophem Jean Blaton | Ferrari 365 P2 | 171 |
| DNF | GT+3.0 | 99 | Joe Treadwell | Roger West Dick Macon | Ford Mustang | 168 |
| DNF | P+2.0 | 24 | Drummond Racing Organisation | Innes Ireland Mike Hailwood George Drummond | Ferrari 250 LM | 90 |
| DNF | GT1.6 | 19 | David McClain | Duncan Forlong Leland Dieas David McClain | Porsche 356B Super 90 | 80 |
| DNF | P+2.0 | 26 | Ecurie Francorchamps | Léon Dernier Jacky Ickx | Ferrari 250 LM | 80 |
| DNF | P+2.0 | 74 | Queen City Rambler | Larry Hess Tommy Hess | Rambler Marlin | 80 |
| DNF | S2.0 | 47 | David Lane | David Lane Don Sesslar | Porsche 904 GTS | 74 |
| DNF | GT+3.0 | 77 | Space Science | John Bentley John Hill | Sunbeam Tiger | 71 |
| DNF | GT3.0 | 5 | Robert Harper | Spurgeon May Bobby Allison | Chevrolet Corvair | 63 |
| DNF | P+2.0 | 28 | Team Chamaco Collect | Denny Hulme Vic Wilson | Ferrari 250 LM | 53 |
| DNF | GT+3.0 | 12 | Jaguar of Florida | Dave Hull Herb Byrne Bob Kingham | Jaguar E-Type | 41 |
| DNS | GT1.6 | 85 | Anatoly Arutunoff | Bill Clark Bryan Crow Anatoly Arutunoff | Alfa Romeo Giulia Sprint | 0 |
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