Equipas Inscritas para o dia de testes de 1966

Nº	Equipa Carro [N.º Chassis] (Matricula)	Motor	Pilotos	Pneus	Categoria
1	Shelby American Inc Ford GT J [J-1]	Ford V8 (7.010 cc.) (A)	Bruce McLaren  Chris Amon		Prototipo > 5000
2	Holman & Moody Ford GT 40 Mk II [1012]	Ford V8 (6.981 cc.) (A)	Ken Miles  Lucien Bianchi		Prototipo > 5000
3	Shelby American Inc Ford GT 40 Mk II [1011]	Ford V8 (6.981 cc.) (A)	Walt Hansgen		Prototipo > 5000
Morte de Walter Hansgen depois de uma saída de pista na escapatória da recta da meta.
11	Essex Wire Corporation Ford GT 40 [1038]	Ford V8 (4.727 cc.) (A)	Skip Scott	?	Sport 4001/5000
Nº 59 na corrida
12	Scuderia Filipinetti Ford GT 40 [1040]	Ford V8 (4.727 cc.) (A)	Herbert Muller	?	Sport 4001/5000
Nº 14 na corrida
14	Ford France SA Ford GT 40 P [1007] (LBH416C)	Ford V8 (4.727 cc.) (A)	Guy Ligier  Henri Greder	?	Sport 4001/5000
Nº 15 na corrida
15	Alan Mann Racing Ltd Ford GT 40 [AMR2]	Ford V8 (4.727 cc.) (A)	Jackie Stewart  Frank Gardner	?	Sport 4001/5000
16	Alan Mann Racing Ltd Ford GT 40 Lightweight [AMGT1]	Ford V8 (4.727 cc.) (A)	John Whitmore  Paul Hawkins  Innes Ireland	?	Sport 4001/5000
19	Ecurie Francorchamps Ferrari 365 P2 [0828]	Ferrari V12 (4.390 cc.) (A)	Jean Blaton  Leon Dernier  Jacky Ickx		Prototipo 4001/5000
Nº 17 na corrida
27	Porsche System Engineering Porsche 906 (S-XE37)	Porsche B6 (1.990 cc.) (A)	Herbert Linge	?	Sport 1601/2000
29	Porsche System Engineering Porsche 906 [906-152] (S-XE36)	Porsche B6 (1.990 cc.) (A)	Peter Nocker	?	Prototipo 1601/2000
31	Porsche System Engineering Porsche 906/6 Carrera 6 Langheck [906-143] (S-XR762)	Porsche B6 (1.990 cc.) (A)	Robert Buchet  Fritz von Hanstein		Prototipo 1601/2000
Este foi o carro que menos tempo perdeu nas boxes, esteve em pista 23h44m.
32	«J. Franc» (Jacques Dewes) Porsche 911 S [903-355] (S-WX407)	Porsche B6 (1.991 cc.) (A)	Jean Kerguen  Herbert Linge	?	GT 1601/2000
38	Matra Sports SARL Matra M 620 [620-01]	BRM V8 (1.916 cc.) (A)	Jo Schlesser  Jean-Pierre Jaussaud	?	Prototipo 1601/2000
45	Société de Automobiles Alpine Alpine M 65 (809W76)	Renault L4 (1.005 cc.) (A)	Mauro Bianchi  Patrice Grandsart  Jacques Cheinisse	?	Prototipo 1151/1300
46	Société de Automobiles Alpine Alpine M 66 [1724?] (3523W75)	Renault L4 (1.005 cc.) (A)	Jean Vinatier  Guy Verrier  Robert Bouharde	?	Prototipo < 1150
47	Société de Automobiles Alpine Alpine M 64 [1709] (717W76)	Renault L4 (1.149 cc.) (A)	Jean-Francois Piot  Jean-Pierre Hanrioud  Alain le Guellec	?	Prototipo < 1150
50	Jean Louis Marnat & Cie Marcos Mini GT 2+2	BMC L4 (1.287 cc.) (A)	Jean-Louis Marnat  Claude Ballot-Lena		Prototipo 1151/1300
52	S. E. C. Automobiles C. D. CD SP 66 (6632W75)	Peugeot L4 (1.149 cc.) (A)	Alain Bertaut	?	Prototipo < 1150
55	North American Racing Team ASA RB 613 (MIA28346)	ASA L4 (1.292 cc.) (A)	Francois Pasquier  Jimmy Mieusset  Giorgio Pianta  Jean Max	?	Prototipo 1151/1300
56	Société de Automobiles Alpine Alpine M 65 [1719] (3534W75)	Renault L4 (1.005 cc.) (A)	Berndt Jansson  Pauli Toivonen  Vincent Palmaro  Rico Steineman  Mauro Bianchi	?	Prototipo < 1150
61	Scuderia Serenissima? Scuderia San Marco? Serenissima 308 Jet	ATS V8 (3.472 cc.) (A)	Jean-Claude Sauer  Louis Corberto	?	Prototipo 2001/4000
64	Fernand Tavano Ferrari 250 GTO [5095] (353KF72)	Ferrari V12 (2.953 cc.) (A)	Andre de Cortanze  Gerard Larrousse	?	GT 2001/4000
70	Société de Automobiles Alpine Alpine M 64 [1710] (3538W75)	Renault L4 (1.149 cc.) (A)	Roger Delageneste  Robby Weber	?	Prototipo 1151/1300
12B	Scuderia Filipinetti Ford GT 40 [1039]	Ford V8 (4.727 cc.) (A)	Willy Mairesse	?	Sport 4001/5000
55X	North American Racing Team ASA 1000 GT	ASA L4 (1.292 cc.) (A)	Patrice Grandsart	?	Prototipo 1151/1300