The 1991 Liquid Tide Trans-Am Tour was the 26th season of the Sports Car Club of America's Trans-Am Series. It was the first season with competition from the sister SCCA Pro Racing World Challenge. 1991 was also the first season since 1979 to have a round outside of the United States and Canada, with a race in Mexico on the schedule that year. Oldsmobile, although very successful in 1991, would never again see success in Trans Am.

Results

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Round	Date	Circuit	Winning driver	Winning vehicle
1	Sears Point	5 May	Darin Brassfield	Oldsmobile Cutlass
2	Mexico City	19 May	Scott Sharp	Chevrolet Camaro
3	Dallas	2 June	Irv Hoerr	Oldsmobile Cutlass
4	Detroit	15 June	Scott Sharp	Chevrolet Camaro
5	Portland	22 June	Irv Hoerr	Oldsmobile Cutlass
6	Cleveland	6 July	Darin Brassfield	Oldsmobile Cutlass
7	Des Moines	14 July	George Robinson	Chevrolet Camaro
8	Watkins Glen	10 August	Scott Sharp	Chevrolet Camaro
9	Trois-Rivières	18 August	Scott Sharp	Chevrolet Camaro
10	Denver	24 August	Irv Hoerr	Oldsmobile Cutlass
11	Mosport	8 September	Scott Sharp	Chevrolet Camaro
12	Mid-Ohio	14 September	Darin Brassfield	Oldsmobile Cutlass
13	Road America	21 September	Scott Sharp	Chevrolet Camaro
14	College Station	20 October	Jack Baldwin	Chevrolet Camaro

Final points standings

Place	Driver	Points
1	Scott Sharp	360
2	Jack Baldwin	290
3	Darin Brassfield	271
4	Irv Hoerr	269
5	Ron Fellows	246
6	Bob Sobey	234
7	Les Lindley	230
8	Randy Ruhlman	213
9	Paul Gentilozzi	209
10	Greg Pickett	202
11	Jim Derhaag	198
12	George Robinson	177
13	Steve Petty	171
14	Glenn Fox	135
15	Steve Saleen	122
16	Jerry Clinton	116
17	Bruce Nesbitt	111
18	Deborah Gregg	96
19	John S. E. Anderson	91
20	Stuart Hayner	68
20	Richard J. Valentine	68
22	Phillip Bartelt	66
22	Ed Hinchliff	66
24	Wayne Akers	64
25	Bob Patch	54
25	Donald Sak	54
27	Chris Kneifel	42
27	Scott Lagasse	42
29	Jerry Brassfield	38
30	Jim Stevens	31
31	Dick Danielson	30
32	Jerry Simmons	29
33	Mark Pielsticker	27
33	J. Craig Shafer	27
35	Tom Gloy	26
36	John Brumder	24
37	Buzz Dyer	21
37	Lou Gigliotti	21
37	Steve Mahre	21
37	Richard Myhre	21
41	Michel Jourdain Sr.	19
42	Tomas Lopez	16
43	Peter DeMan	15
43	Rick Dittman	15
45	Mitchell Bender	14
45	John Jones	14
47	R. K. Smith	13
48	Jimmy Landrum	11
49	R. Gary Fautch	8
49	Rich Sloma	8
51	Scott Pruett	8
52	Michael Kehoe	7
53	Paul Dallenbach	6
53	Robert R. Ripple	6
55	Courtney Smith	5
56	Wally Dallenbach Jr.	4
56	Tom Forgione	4
58	Rob Fellows	3
59	Phil Mahre	2
59	Clint Welding	2
59	Bob Zeeb	2
62	John Heinricy	1
62	Aaron Wilson	1
64	Mike Dougherty	0
64	Mike Downs	0
64	Jamie Galles	0
64	W. K. Gonzalez	0
64	Phil Kalusha	0
64	Jim Moyer	0
64	Jim Pallas	0

References