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 1 14 MARCH 83G Porsche 4 Al Holbert-Jim Trueman 138 Laps 1.GTP
 2 25 MARCH 82G Porsche 2 Dave Cowart-Kenper Miller 136 Laps 2.GTP
 3 44 JAGUAR XJR5 004 Bob Tullius-Bill Adam 135 Laps 3.GTP
 4 24 PORSCHE 935JLP2 009 00043 Mark Speer-Ken Madren 134 Laps 4.GTP
 5  9 PORSCHE 934 009 00030 Wayne Baker-Jim Mullen 133 Laps 1.GTO
 6 55 BMW M1 4301040 Diego Montya-Fomfor 133 Laps 2.GTO
 7  7 MAZDA RX7 John Morton-Rick Knoop 132 Laps 3.GTO
 8 91 PORSCHE 934 930 890 0014 Chester Vincentz-Dave White 132 Laps 4.GTO
 9 98 TOYOTA CELICA Boy Hayje-Wally Dallenbach Jr 130 Laps 1.GTU
10 63 MAZDA RX7 Jim Downing-John Maffucci 130 Laps 2.GTU
11 28 BMW M1 Bruno Beilcke-Ralf Rauh 129 Laps 5.GTO
12 82 MAZDA RX7 Joe Varde-Jack Baldwin 127 Laps 3.GTU
13 03 CHEVROLET CORVETTE Lloyd Frink-Ed Hinchliff 126 Laps 6.GTO
14 38 MAZDA RX7 Roger Mandeville-Amos Johnson 126 Laps 4.GTU
15 87 PORSCHE CARRERA RSR 911 460 0035 Jack Lewis-John Ashford 122 Laps 7.GTO
16 35 PORSCHE CARRERA RSR 911 460 9113 Al Leon-Wayne Pickering 122 Laps 8.GTO
17 58 PORSCHE 924GTR Deborah Gregg-Kathy Rude 121 Laps 5.GTU
18 40 BMW M1 4301225 Uli Bieri-Matt Gysler-Rudy Bartling 118 Laps 9.GTO
19 81 DATSUN 280Z Bob Speakman-Ted Schumacher 114 Laps 6.GTU
20 57 DATSUN 280ZX Reed Kryder-Ron Christensen 110 Laps 7.GTU
21 88 MARCH 83G Chevrolet 1 Dale Whittington-Randy Lanier 106 Laps 5.GTP
22 93 MAZDA RX7 Frank Rubino-David Leira 102 Laps 8.GTU
23 94 PORSCHE 914/6 914 043 1523 Bruce Jones-Fred Apgar 99 Laps 9.GTU
24 34 PORSCHE 924GTR George Drolsom-Bill Johnson 96 Laps 10.GTU
25 39 PHOENIX JG1 Chevrolet JG-1 John Gunn-Drake Olson 95 Laps 6.GTP
26 43 DATSUN 240Z Bill Miller-Jack Ries 94 Laps 11.GTU
27  5 PORSCHE 935K3 Bob Akin-John O'steen 92 Laps 7.GTP
28 67 MERCURY CAPRI Duane Eitel 77 Laps 10.GTO
29 17 MAZDA RX7 Al Bacon-Lance Van Every 71 Laps 12.GTU
30 37 MAZDA RX7 Tom Burdsall-Peter Welter 69 Laps 13.GTU
31 99 TOYOTA CELICA Dennis Aase 47 Laps 14.GTU
32 71 DATSUN 280ZX Jim Miller 45 Laps 15.GTU
33 30 MARCH 83G Porsche 82G-3 Gianpiero Moretti 42 Laps 8.GTP
34 80 DATSUN 280Z James Hurley 39 Laps 16.GTU
35 08 MAZDA RX7 Bobby Diehl-Roy Newsome 27 Laps 17.GTU
36 83 DATSUN 280ZX Jim Fitzgerald 25 Laps 18.GTU
37 12 CHEVROLET CORVETTE Ford Smith 21 Laps 11.GTO
38 84 CHEVROLET CAMARO Ken Murray 14 Laps 12.GTO
39 42 PORSCHE 911 Gary Wonzer 13 Laps 19.GTU
40 64 PORSCHE CARRERA RSR Ron Coupland 12 Laps 13.GTO

Cars that did not start