De 24 uur van Daytona 1978 was de 16e editie van deze endurancerace. De race werd verreden op 4 en 5 februari 1978 op de Daytona International Speedway nabij Daytona Beach, Florida.
De race werd gewonnen door de Brumos Porsche #99 gereden door Rolf Stommelen, Toine Hezemans en Peter Gregg. Voor Gregg was het zijn vierde Daytona-zege, waarmee hij op gelijke hoogte kwam met recordhouder Pedro Rodríguez de la Vega. Stommelen won de race voor de tweede keer, terwijl Hezemans zijn eerste overwinning behaalde. De GTO-klasse werd gewonnen door de Diego Febles Racing #58 van Diego Febles en Alec Poole. De GTU-klasse werd gewonnen door de J. Dana Roehrig #01 van Dave White, Gary Mesnick en J. Dana Roehrig.
Race Winnaars in hun klasse zijn vetgedrukt.
Pos. Klasse No. Team Coureurs Chassis Ronden 1 GTX 99 Brumos Porsche Rolf Stommelen Toine Hezemans Peter Gregg Porsche 935/77A 680 2 GTX 6 Dick Barbour Racing Dick Barbour Manfred Schurti Johnny Rutherford Porsche 935/77A 650 3 GTO 58 Diego Febles Racing Diego Febles Alec Poole Porsche 911 Carrera RSR 645 4 GTO 33 Boricua Racing Bonky Fernandez John Paul sr. Phil Currin Porsche 911 Carrera RSR 637 5 GTX 14 Kremer Porsche Racing Josef Brambring Dieter Schornstein Louis Krages Porsche 935 K2 635 DNF GTX 09 Belcher Racing Gary Belcher Doc Bundy Al Holbert Porsche 934/5 632 7 GTX 32 Earle & Akin Racing Associates Steve Earle Bob Akin Rick Knoop Porsche 911 Carrera RSR 632 8 GTO 65 Dan Ward Racing John Morton Tony Adamowicz Hal Sahlman Bobby Carradine Ferrari 365 GTB/4 Competizione 622 9 GTX 59 JMS Brumos Porsche Peter Gregg Claude Ballot-Léna Brad Frisselle Porsche 935 621 10 GTX 13 Hal Shaw Racing Hal Shaw Jim Busby Howard Meister Porsche 935 608 DNF GTU 01 J. Dana Roehrig Dave White Gary Mesnick J. Dana Roehrig Porsche 911 S 604 12 GTU 34 Drolsom Racing George Drolsom Hugh Davenport Mark Greb Porsche 911 S 592 13 GTX 21 Konrad Racing Franz Konrad Reinhold Joest Volkert Merl Porsche 935 590 14 GTU 08 Terry Wolters Terry Wolters Jack Refenning Ray Mummery Porsche 911 S 584 15 GTX 24 Executive Industries Tom Frank Bob Bergstrom Porsche 911 Carrera RSR 580 16 GTU 84 Bondurant Racing School Chris Doyle John Maffucci Bob Speakman Datsun 260Z 577 17 GTU 60 R & R Racing John Thomas Ren Tilton Rusty Bond Porsche 911 S 551 18 GTU 29 Richard C. Weiss Richard Weiss Bill Alsup Bill Follmer Porsche 911 S 550 19 GTX 37 Clay Young Bob Buchler Eddie Johnson Clay Young Chevrolet Camaro 550 DNF GTO 46 Mauricio de Narváez Mauricio de Narváez Albert Naon Tony Garcia Porsche 911 Carrera RSR 547 21 GTU 22 Music City Racing Bill Harriss Volker Bruckmann Porsche 911 E 546 22 GTX 5 Team Grand Competition on Canart François Migault Lucien Guitteny Gregg Young Ferrari 365 GT4/BB 521 23 GTO 68 Luis Mendez Luis Mendez Mandy Gonzalez Tato Ferrer Porsche 911 Carrera RSR 509 24 GTU 91 Bob Bondurant Bob Bondurant Steve Cook Ron Southern Datsun 260Z 508 25 GTO 78 Western Motor Works Bobby Hillin William Henderson Richard Turner Ferrari 365 GTB/4 Competizione 506 26 GTU 9 Anatoly Arutunoff Brian Goellnicht José Marina Jack May Anatoly Arutunoff Lancia Stratos HF 505 DNF GTO 94 Preston Henn Preston Henn Hal Sahlman Sandy Satullo Ferrari 365 GTB/4 Competizione 502 28 GTU 36 Case Racing Ron Case Dave Panaccione Porsche 911 500 29 GTU 53 Mazda Auto Tokyo Jim Downing Stu Fisher Walt Bohren Roger Mandeville Mazda RX-3 498 30 GTU 61 Alfred Cosentino Taku Akaike Al Cosentino Mazda RX-3 498 31 GTX 38 Mike Meldeau Bill McDill Mike Meldeau Chevrolet Camaro 497 32 GTO 10 Bob's Speed Products Guy Church Rick Kump Bob Lee AMC AMX 481 33 GTU 50 Native Tan Charles Kleinschmidt Lee Culpepper MGB GT 477 34 GTO 77 Amos Johnson/Dennis Shaw Amos Johnson Dennis Shaw Charles Woodward AMC Hornet AMX 475 DNF GTX 7 Heimrath Racing Ludwig Heimrath Jacques Bienvenue Norm Ridgely Porsche 935 466 DNF GTO 07 Morrison's Inc. Dave Cowart Charles Mendez Joe Castellano Porsche 911 Carrera RSR 459 DNF GTX 82 Solomone Racing Carm Solomone Fred Lang Buzz Fyhrie Chevrolet Camaro 456 DNF GTX 15 Bavarian Motors International Bruno Beilcke Sepp Grinbold Alf Gebhardt BMW 3.0 CSL 427 39 GTU 55 Emiliano Rodriguez Emiliano Rodriguez Hiram Cruz Lotus Europa 402 DNF GTX 95 Bob Hagestad Hurley Haywood Bob Hagestad Doc Bundy Porsche 935 400 41 GTX 18 Ours & Hours Racing Dick Gauthier Jack Swanson Brad West Chevrolet Camaro 395 42 GTX 56 Carter Brothers Richard Valentine Craig Carter Murray Edwards Chevrolet Camaro 361 43 GTU 87 Pedro Vazquez, Jr. Pedro Vazquez Ron Oyler Joseph Hamilton Gunter Hamilton Gunter Seipolt Porsche 911 S 360 44 GTO 02 Al Levenson Dick Neland Al Levenson Tom Brown Chevrolet Corvette 353 DNF GTU 52 Mazda Auto Tokyo Yoshimi Katayama Yojiro Terada Roger Mandeville Mazda RX-3 271 DNF GTX 19 Chris Cord Racing Chris Cord Jim Adams Chevrolet Monza 261 DNF GTX 73 Howey Farms Clark Howey Dale Koch David Crabtree Chevrolet Camaro 259 DNF GTU 76 Quality Inn Frank Thomas Lee Mueller Logan Blackburn Porsche 911 224 DNF GTX 72 Bill Arnold Racing Carl Thompson Billy Hagan Rusty Schmidt Chevrolet Corvette 169 DNF GTO 20 Richard L. Bostyan Richard Bostyan Jerry Thompson Don Yenko Chevrolet Corvette 152 DNF GTO 25 Kenper Miller Kenper Miller Paul Miller Oscar Koveleski BMW 3.5 CSL 125 DNF GTX 05 Dale Kreider Stephen Bond Dale Kreider Philip Dann Chevrolet Monza 123 DNF GTO 8 Jolly Club Felice Besenzoni Luciano Dal Ben Byron Wever Ferrari 308 GTB 117 DNF GTO 48 Autodyne Inc. John Carusso Emory Donaldson Luis Sereix Chevrolet Corvette 90 DNF GTO 80 Herb Adams Herb Adams Pat Bedard Marv Thomson Oldsmobile Cutlass 89 DNF GTX 0 Interscope Racing Danny Ongais Ted Field Milt Minter Porsche 935/77A 88 DNF GTX 12 Porsche Kremer Racing Bob Wollek Henri Pescarolo Didier Jaunet Porsche 935/77A 86 DNF GTU 51 Wynn's International John Hotchkis Robert Kirby Dennis Aase Porsche 911 S 85 DNF GTO 4 Jolly Club Dino Mallet Bob Bondurant Sergio Romolotti Ferrari 308 GTB 82 DNF GTO 03 Guido Levetto Guido Levetto Dan Rice Chevrolet Camaro 79 DNF GTX 54 T & C John Tunstall Stephen Behr Lou Timolat Porsche 911 Carrera RSR 70 DNF GTO 39 Greg Pickett Greg Pickett Neil Bonnet Bruce Canepa Porsche 911 Carrera RSR 67 DNF GTU 27 Z & W Enterprises Pierre Honegger Bill Scott Mark Hutchins Mazda RX-3 57 DNF GTX 2 McLaren North America David Hobbs Ronnie Peterson BMW 320i Turbo 47 DNF GTO 17 Tim Chitwood Sam Fillingham Tim Chitwood K. P. Jones Chevrolet Nova 45 DNF GTX 3 Jolly Club Carlo Facetti Martino Finotto Porsche 935 6 DNF GTU 85 John Hulen John Hulen Ron Coupland Nick Engels Porsche 914/6 0 DSQ GTU 71 Bill Scott Francisco Romero Ernesto Soto Hardie Beloff Porsche 911 S 615 DNS GTX 66 Bobby Carradine Don Devendorf Tony Adamowicz Jeff Kline Ferrari 365 GTB/4 Competizione 0 DNS GTX 86 Hugh Kleinpeter Janet Guthrie Hugh Kleinpeter Jef Stevens De Tomaso Pantera GT4K 0 DNQ GTU 88 Hamilton House Racing Joseph Hamilton Chuck Wade Marty Hinze Porsche 911 S 0
1978 Daytona