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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
					Engine
1	S3.0	59	Brumos Racing	Peter Gregg Hurley Haywood	Porsche 911 Carrera RSR	G	670
					Porsche 2.8L Flat 6 N/A
2	GT+2.0	22	North American Racing Team	François Migault Milt Minter	Ferrari 365 GTB/4	G	648
					Ferrari 4.4L V12 N/A
3	GT+2.0	5	Dave Heinz	Dave Heinz Bob McClure Dana English	Chevrolet Corvette	G	644
					Chevrolet 7.0L V8 N/A
4	GT+2.0	77	Silverstone Racing	George Stone Bruce Jennings Mike Downs	Porsche 911	G	638
					Porsche 2.5L Flat 6 N/A
5	GT+2.0	21	North American Racing Team	Luigi Chinetti Jr. Bob Grossman Wilbur Shaw Jr.	Ferrari 365 GTB/4	G	632
					Ferrari 4.4L V12 N/A
6	GT+2.0	54	Porsche Kremer Racing	John Fitzpatrick Erwin Kremer Paul Keller	Porsche 911	D	630
					Porsche 2.5L Flat 6 N/A
7	T5.0	9	Ray Kessler, Inc.	Ray Kessler Richie Panch Wilbur Pickett	Chevrolet Camaro Z28	G	592
					Chevrolet 5.0L V8 N/A
8	GT+2.0	15	Toad Hall Motor Racing	Michael Keyser Tony Adamowicz Bob Beasley	Porsche 911	?	587
					Porsche 2.5L Flat 6 N/A
9	GT+2.0	56	Joest Racing	Sepp Greger Kurt Hild Didier Schmid	Porsche 911	?	574
					Porsche 2.5L Flat 6 N/A
10	GT2.0	62	Bob Bergstrom	Bob Bergstrom Jim Cook	Porsche 911	?	571
					Porsche 2.0L Flat 6 N/A
11	GT+2.0	43	Dave Helmick	Dave Helmick John O'Steen Stephen Behr	Porsche 911	?	558
					Porsche 2.5L Flat 6 N/A
12	S3.0	19	Harry Bytzek	Rudy Bartling Harry Bytzek Bert Kuehne	Porsche 908/02	F	532
					Porsche 3.0L Flat 8 N/A
13	T5.0	30	Guido C. Levetto	Mario Levetto Guido Levetto Ara Dube	Chevrolet Camaro	?	532
					Chevrolet 5.0L V8 N/A
14	GT+2.0	51	Airport Motorsport	Klaus Selbert W. Marvin Schoenfeld Bob Klempel	Porsche 911	?	499
					Porsche 2.5L Flat 6 N/A
15 DNF	GT+2.0	49	John Greenwood	Don Yenko Robert R. Johnson	Chevrolet Corvette	?	494
					Chevrolet 7.0L V8 N/A
16	T5.0	80	Byron Cook Racing	John Elliott Bill McDill	Chevrolet Camaro	?	488
					Chevrolet 5.0L V8 N/A
17	T5.0	75	Don Winter	Larry Bock Carl Shafer Gene Harrington	Chevrolet Camaro	?	451
					Chevrolet 5.0L V8 N/A
18	T5.0	33	John McComb	John McComb Dave Dooley	Ford Mustang	?	437
					Ford N/A
19 DNF	S3.0	6	Penske Racing	Mark Donohue George Follmer	Porsche 911 Carrera RSR	G	405
					Porsche 2.8L Flat 6 N/A
20 DNF	GT+2.0	20	North American Racing Team	Arturo Merzario Jean-Pierre Jarier	Ferrari 365 GTB/4	G	394
					Ferrari 4.4L V12 N/A
21 DNF	GT+2.0	31	Locke Development Corporation	Jim Locke Bob Bailey	Porsche 911	?	387
					Porsche 2.5L Flat 6 N/A
22 DNF	S3.0	2	Gulf Racing	Mike Hailwood John Watson	Mirage M6	F	366
					Ford 3.0L V8 N/A
23 DNF	S2.0	10	Shierson Racing	Bill Barber Charlie Kemp	Chevron B19	G	337
					Ford I4 N/A
24	T2.0	84	Andy Petery	Andy Petery Hans Ziereis	BMW 2002	?	313
					BMW 2.0L I4 N/A
25 DNF	GT+2.0	23	North American Racing Team	Claude Ballot-Léna Jean-Claude Andruet	Ferrari 365 GTB/4	G	284
					Ferrari 4.4L V12 N/A
26 DNF	S3.0	12	Scuderia Filipinetti	Reine Wisell Jean-Louis Lafosse Hughes de Fierlant	Lola T282	G	281
					Ford 3.0L V8 N/A
27 DNF	S3.0	3	Equipe Matra-Simca	François Cevert Jean-Pierre Beltoise Henri Pescarolo	Matra-Simca MS670	G	267
					Matra 3.0L V12 N/A
28 DNF	S3.0	57	Reinhold Jöst	Reinhold Jöst Mario Casoni Paul Blancpain	Porsche 908	F	244
					Porsche 3.0L Flat 6 N/A
29 DNF	S2.0	57	Promotion Advertising	Hugh Kleinpeter Jim Gammon Tom Shelton	Chevron B21	G	241
					Ford I4 N/A
30 DNF	T5.0	7	Eddie Johnson	Clay Young Eddie Johnson Jim Fitzgerald	Chevrolet Camaro	?	233
					Chevrolet 5.0L V8 N/A
31 DNF	S2.0	93	Professional Racing	Bob Fisher Tom Gloy	Chevron B16	F	230
					Ford I4 N/A
32	GT2.0	38	Quintanilla/Muniz	Daniel Muñiz Roberto Quintanilla	Porsche 914-6 GT	G	215
					Porsche 2.0L Flat 6 N/A
33 DNF	GT+2.0	89	Holbert Porsche	Mike Tillson Al Holbert Dieter Oest	Porsche 911	?	213
					Porsche Flat 6 N/A
34 DNF	T5.0	96	U.S. Davis Racing	Jose Rodriguez Reinaldo Almeida	Chevrolet Camaro	?	198
					Chevrolet 7.0L V8 N/A
35 DNF	GT+2.0	64	Weaver Chevrolet	Bob Baechle Roger Pierce Alex Davidson	Chevrolet Corvette C3	G	191
					Chevrolet 7.0L V8 N/A
36	S3.0	1	Gulf Racing	Derek Bell Howden Ganley	Mirage M6	F	179
					Ford 3.0L V8 N/A
37 DNF	GT2.0	16	Toad Hall Motor Sport	Peter Kirill Russ Norburn Bill Bean	Porsche 911	?	175
					Porsche 2.0L Flat 6 N/A
38 DNF	S2.0	88	Ed Abate	Ed Abate Bill Cuddy	Porsche 910	G	167
					Porsche 2.0L Flat 6 N/A
39 DNF	GT+2.0	58	Brumos Racing	Andrew Carduner Jacques Bienvenue	Porsche 911	?	127
					Porsche 2.5L Flat 6 N/A
40 DNF	T5.0	94	Bolus & Snopes	Steve Ross Bob Mitchell Dave Houser	Chevrolet Camaro	?	120
					Chevrolet 5.0L V8 N/A
41 DNF	GT+2.0	11	Troy Promotions, Inc.	Tony DeLorenzo Maurice Carter	Chevrolet Corvette	F	101
					Chevrolet 7.0L V8 N/A
42 DNF	GT+2.0	99	Diego Febles	Horacio Alvarez Diego Febles	Porsche 911	?	65
					Porsche 2.5L Flat 6 N/A
43 DNF	GT+2.0	34	Murray Racing	Jerry Thompson Ike Knupp Mike Murray	Chevrolet Corvette	G	50
					Chevrolet 7.0L V8 N/A
44 DNF	T5.0	8	Automotive Engineering Enterprises	Tom Nehl Steve Durst	Chevrolet Camaro	?	49
					Chevrolet 5.0L V8 N/A
45 DNF	GT+2.0	29	Jef Stevens	Ralph Noseda Ray Mummery	Chevrolet Camaro	?	38
					Chevrolet V8 N/A
46 DNF	T5.0	14	C. C. Canada	C. C. Canada Bob Christiansen John Tremblay	Chevrolet Camaro	?	29
					Chevrolet 5.0L V8 N/A
47 DNF	T5.0	17	Takondo Racing	Vince Gimondo Billy Dingman	Chevrolet Camaro	?	15
					Chevrolet 5.0L V8 N/A
48 DNF	T5.0	55	Tiny Lund	Tiny Lund Stephen Behr Jimmy Capps	Pontiac Firebird	?	15
					Pontiac 5.0L V8 N/A
49 DNF	S2.0	41	Parametrics Systems	Raymond Gage Jim Grob Gary Ouellette	Lotus 23	G	14
					BMW 2.0L I4 N/A
50 DNF	T2.0	25	John Buffum	Bert Everett John Buffum Wilbur Pickett	Ford Escort RS 1600	?	9
					Ford 2.0L I4 N/A
51 DNF	GT+2.0	48	John Greenwood	John Greenwood Ron Grable	Chevrolet Corvette	?	7
					Chevrolet 7.0L V8 N/A
52 DNF	T5.0	47	Chitwood Racing	Tim Chitwood Joie Chitwood Bob Nagel	Chevrolet Camaro	?	6
					Chevrolet 5.0L V8 N/A
53 DNF	T2.0	24	John Buffum	Fred van Beuren Jr. Guillermo Rojas Héctor Rebaque	Ford Escort RS 1600	?	0
					Ford I4 N/A
DNQ	GT2.0	73	Dale Kreider	Dale Kreider Rick Silvers Paul Toppino	Triumph GT6	?	-
					?
DNQ	T5.0	27	Ernie Shaw	Ernie Shaw Norm Mosher Al Straub	Ford Mustang	?	-
					?
DNQ	GT+2.0	78	J. G. Racing	Jacques Graham Gordon Johnson	Datsun 240Z	?	-
					?
Source:

References

1. "Daytona 24 Hours 1973". racingsportscars.com. Retrieved August 31, 2022.
2. ^ "Daytona 24 Hours 1973: Race Results". racingsportscars.com. Retrieved August 31, 2022.
3. "1973 Daytona 24 Hours | Motorsport Database".
4. "How an Epic 1973 Daytona Race Helped Birth the Porsche 911 RSR". February 5, 2019.

External links

• 24 Hours of Daytona
• 1973 in sports in Florida
• 1973 in American motorsport