Welcome to the IMSA History unofficial website

This site is aimed at bringing you memories from the glory days of sportscar racing in the US.

Contribute

 Contact

 1 14 MARCH 83G Chevrolet 3 Jim Trueman-Doc Bundy-Bobby Rahal 212 Laps 1.GTP
 2  5 PORSCHE 935K3 000 00013 Bob Akin-John O'steen 201 Laps 2.GTP
 3  4 CHEVROLET CAMARO Billy Hagan-Gene Felton 201 Laps 1.GTO
 4 91 PORSCHE 934 930 890 0014 Chet Vincentz-Dave White 199 Laps 2.GTO
 5 82 MAZDA RX7 Joe Varde-Jack Baldwin 196 Laps 1.GTU
 6 30 PORSCHE 935L JR-001 Sarel van der Merwe-Gianpiero Moretti 133 Laps 3.GTP
 7 63 MAZDA RX7 Jim Downing-John Maffucci 194 Laps 2.GTU
 8 38 MAZDA RX7 Roger Mandeville-Amos Johnson 193 Laps 3.GTU
 9 24 PORSCHE 935JLP2 009 00043 Mark Speer-Ken Madren 193 Laps 4.GTP
10 61 CHEVROLET MONZA Band&Trivette Don Courtney-Brent O'neill 191 Laps 3.GTO
11 17 MAZDA RX7 Al Bacon-Jim Cook 191 Laps 4.GTU
12 03 PORSCHE 934 930 670 0162 Werner Frank-Rick Borlase 190 Laps 4.GTO
13 32 DATSUN 280ZX George Alderman-Carson Baird 190 Laps 5.GTU
14 34 PORSCHE 924GTR George Drolsom-Kathy Rude 187 Laps 6.GTU
15 35 PORSCHE CARRERA RSR 911 460 9113 Al Leon-Wayne Pickering 187 Laps 5.GTO
16 23 PORSCHE 914/6 914 043 0538 Tim Selby-Earl Roe 185 Laps 7.GTU
17 40 BMW M1 4301225 Uli Bieri-Matt Gysler 183 Laps 6.GTO
18 98 TOYOTA CELICA Wally Dallenbach Jr-Boy Hayje 179 Laps 8.GTU
19 99 TOYOTA CELICA Dennis Aase-Roberto Moreno 178 Laps 9.GTU
20 96 PORSCHE CARRERA RSR Phil Byrd-Richard Silver 175 Laps 7.GTO
21 08 MAZDA RX7 Bobby Diehl-Roy Newsome 169 Laps 10.GTU
22 93 MAZDA RX7 Frank Rubino-David Leira 167 Laps 11.GTU
23 37 MAZDA RX7 Tom Burdsall-Peter Welter-Paul Gilgan 167 Laps 12.GTU
24  9 PORSCHE 934 009 00030 Wayne Baker-Jim Mullen-Kees Nierop 166 Laps 8.GTO
25 71 DATSUN 280ZX Charles Morgan-Jim Miller 163 Laps 13.GTU
26 57 DATSUN 280ZX Reed Kryder-Al Leon 161 Laps 14.GTU
27 22 NIMROD NRA/C2 Aston Martin 003 Drake Olson-Robert Overby 149 Laps 5.GTP
28 21 NIMROD NRA/C2 Aston Martin 002 Jack Miller-Mike Brummer-Carlos Ramirez 149 Laps 6.GTP
29 25 MARCH 82G Porsche 2 Dave Cowart-Kenper Miller 141 Laps 7.GTP
30 27 MAZDA RX7 Jim Fowells-Ray Mummery 136 Laps 15.GTU
31 44 JAGUAR XJR5 005 Bob Tullius-Bill Adam 134 Laps 8.GTP
32 43 DATSUN 280ZX Bill Miller-Jack Ries-Carl Holbrook 124 Laps 16.GTU
33 15 LOLA T600 Chevrolet HU4 John Kalagian-John Mills 122 Laps 9.GTP
34 36 PORSCHE 924GTR Jim Busby-Ron Grable 122 Laps 17.GTU
35 65 LOLA T240 Mazda Terry Whitlock-Roger Schroer 113 Laps 10.GTP
36 64 PORSCHE CARRERA RSR John Hulen-Ron Coupland 108 Laps 9.GTO
37 88 MARCH 83G Chevrolet 1 Dale Whittington-Emory Donaldson 105 Laps 11.GTP
38 18 BMW M1 Fomfor-Whitney Ganz 87 Laps 10.GTO
39  7 MAZDA RX7 Pete Halsmer 75 Laps 11.GTO
40 95 DATSUN 280ZX Bob Leitzinger-Frank Honsowetz 70 Laps 18.GTU
41 85 DATSUN 280ZX Logan Blackburn-Elliot Forbes Robinson 66 Laps 19.GTU
42 51 MAZDA RX7 Ron Pawley-Don Marsh-Kelly Marsh 62 Laps 20.GTU
43 56 CHEVROLET CORVETTE Bill Wink-Tim Evans 50 Laps 12.GTO
44 74 CHEVRON B36 Buick Del Taylor 38 Laps 12.GTP
45 45 LOLA T600 Chevrolet HU11 Bob Lobenberg-John Morton 37 Laps 13.GTP
46 20 PONTIAC FIREBIRD Paul Canary 20 Laps 13.GTO
47  8 PORSCHE CARRERA RSR 911 460 0035 Bob Beasley 12 Laps 14.GTO
48 29 DATSUN 280ZX George Phillips 3 Laps 21.GTU
49 79 PORSCHE 924GTR Bob Bergstrom-Tom Winters 3 Laps 22.GTU
50 83 DATSUN 280ZX Tc Don Devendorf-Tony Adamowicz 2 Laps 15.GTO

Cars that did not start

   12 CHEVROLET CORVETTE Joe Scheckel-Doug Roderick GTO
   49 CHEVROLET CORVETTE Brian Utt-Ron Deppert GTO
   67 MERCURY CAPRI Duane Eitel-Ron Hunter-Phil Pate GTO
   77 PORSCHE 914/6 914 043 0754 Paul Resnick-Ron Barnaba-Steve Zwiren GTU
   78 PONTIAC FIREBIRD Rob Dyson-Ken Slagle GTO
   81 DATSUN 260Z Bob Speakman-Ted Schumacher GTU
   87 CHEVROLET CORVETTE Don Erickson-Dave Horchler-Dennis Weglarz GTO