IMSA-GTX

Om le mans-klasse

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År	Nr.	Team	Bil	Motor	Dæk	Samlet	Klasse	Status	Omgange	Kørere
1981	40	Joest Racing	Porsche 935	Porsche 930/78 2800 F6 Turbo	Dunlop	—	—	retired	152	Mauricio de Narvaez / Kenper Miller / Günther Steckkönig
1981	41	Preston Henn Racing	Porsche 935 K3	Porsche 2993 F6 Turbo	Dunlop	—	—	retired	45	Preston Henn / Mike Chandler / Marcel Mignot
1981	42	Bob Garretson / Cooke-Woods Racing	Porsche 935 K3	Porsche 3160 F6 Turbo	Goodyear	6	2	classified	328	Anny-Charlotte Verney / Bob Garretson / Ralph Cooke
1981	43	Bob Akin Motor Racing	Porsche 935 K3	Porsche 2993 F6 Turbo	Goodyear	—	—	retired	320	Bob Akin / Paul Miller / Craig Siebert
1981	45	Scuderia Supercar Bellancauto SRL	Ferrari 512 BB LM	Ferrari 4991 F12	Michelin	—	—	retired	118	Fabrizio Violati / Maurizio Flammini / Duilio Truffo
1981	46	Rennod Racing	Ferrari 512 BB LM	Ferrari 4942 F12	Goodyear	9	3	classified	321	Pierre Dieudonné / Jean Xhenceval / Jean-Paul Libert
1981	47	Charles Pozzi S.A.	Ferrari 512 BB LM	Ferrari 4942 F12	Michelin	5	1	classified	328	Jean-Claude Andruet / Claude Ballot-Léna / Hervé Regout
1981	48	Simon Phillips	Ferrari 512 BB LM	Ferrari 4942 F12	Michelin	—	—	retired	140	Simon Phillips / Mike Salmon / Steven Earle
1981	49	North American Racing Team	Ferrari 512 BB LM	Ferrari 4942 F12	Michelin	—	—	retired	247	Alain Cudini / Philippe Gurdjian / John Morton
1981	50	GS Tuning	BMW M1/GS	BMW M88 3457 S6	Dunlop	—	—	retired	57	Hans-Joachim Stuck / Jean-Pierre Jarier / Helmut Henzler