The 1998 Lime Rock Grand Prix was the third round of the 1998 IMSA GT Championship season and was held over two separate rounds, a WSC class race and a GT class race. The two separate races took place on May 25, 1998.
The 1998 Lime Rock Grand Prix was the third round of the 1998 IMSA GT Championship season and was held over two separate rounds, a WSC class race and a GT class race. The two separate races took place on May 25, 1998.
Class winners in bold.
| Pos [1] | No | Team | Drivers | Chassis | Tyre | Laps | Sources |
|---|---|---|---|---|---|---|---|
| Engine | |||||||
| 1 | 16 | Dyson Racing |  Butch Leitzinger  James Weaver | Riley & Scott Mk III | G | 117 | |
| Ford 5.0L V8 | |||||||
| 2 | 27 | Doran Enterprises, Inc. |  Fredy Lienhard  Didier Theys | Ferrari 333 SP | Y | 117 | |
| Ferrari F310E 4.0L V12 | |||||||
| 3 | 7 | Doyle-Risi Racing |  Wayne Taylor Eric van de Poele | Ferrari 333 SP | P | 117 | |
| Ferrari F310E 4.0L V12 | |||||||
| 4 | 20 | Dyson Racing | Elliot Forbes-Robinson Dorsey Schroeder | Riley & Scott Mk III | G | 117 | |
| Ford 5.0L V8 | |||||||
| 5 | 39 | Matthews-Colucci Racing | Tommy Kendall David Murry | Riley & Scott Mk III | P | 116 | |
| Ford 5.0L V8 | |||||||
| 6 | 8 | Transatlantic Racing Services | Scott Schubot Henry Camferdam | Riley & Scott Mk III | D | 114 | |
| Ford 5.0L V8 | |||||||
| 7 | 63 | Downing Atlanta | Howard Katz Jim Downing | Kudzu DLM | G | 111 | |
| Mazda 2.0L 3-Rotor | |||||||
| 8 | 36 | Matthews-Colucci Racing | Jim Matthews Bill Dollahite | Riley & Scott Mk III | P | 110 | |
| Ford 5.0L V8 | |||||||
| 9 DNF | 28 | Intersport Racing | Jon Field Sam Brown | Riley & Scott Mk III | G | 17 | |
| Ford 5.0L V8 |
Class winners in bold.
| Pos [2] | Class | No | Team | Drivers | Chassis | Tyre | Laps | Sources |
|---|---|---|---|---|---|---|---|---|
| Engine | ||||||||
| 1 | GT1 | 4 | Panoz Motorsports | Andy Wallace  David Brabham | Panoz Esperante GTR-1 | M | 112 | [3] |
| Ford (Roush) 6.0L V8 | ||||||||
| 2 | GT1 | 5 | Panoz Motorsports |  Éric Bernard  Raul Boesel | Panoz Esperante GTR-1 | M | 110 | |
| Ford (Roush) 6.0L V8 | ||||||||
| 3 DNF | GT1 | 2 | Mosler Automotive | Shane Lewis Vic Rice | Mosler Raptor | ? | 107 | |
| Chevrolet 6.3L V8 | ||||||||
| 4 | GT2 | 6 | Prototype Technology Group | Marc Duez Boris Said | BMW M3 | Y | 105 | |
| BMW 3.2L I6 | ||||||||
| 5 | GT3 | 1 | Prototype Technology Group |  Ross Bentley Peter Cunningham | BMW M3 | Y | 105 | |
| BMW 3.2L I6 | ||||||||
| 6 | GT2 | 99 | Schumacher Racing | Larry Schumacher Joe Varde | Porsche 911 GT2 | P | 104 | |
| Porsche 3.6L Turbo Flat-6 | ||||||||
| 7 | GT3 | 10 | Prototype Technology Group | Bill Auberlen Mark Simo | BMW M3 | Y | 104 | |
| BMW 3.2L I6 | ||||||||
| 8 | GT3 | 23 | Alex Job Racing | Cort Wagner Darryl Havens | Porsche 911 Carrera RSR | P | 103 | |
| Porsche 3.8L Flat-6 | ||||||||
| 9 | GT3 | 71 | Gordon Zimmerman | Steve Pfeffer Gordon Zimmerman | Porsche 911 Carrera RSR | ? | 102 | |
| Porsche 3.8L Flat-6 | ||||||||
| 10 | GT3 | 24 | Tim Vargo | Jake Vargo Brady Refenning | Porsche 911 Carrera RSR | P | 100 | |
| Porsche 3.8L Flat-6 | ||||||||
| 11 | GT2 | 00 | David Friedman | Todd Snyder David Friedman | Porsche 993 Carrera RSR | ? | 99 | |
| Porsche 3.8L Flat-6 | ||||||||
| 12 | GT3 | 98 | Chris Mitchum | Spencer Pumpelly Matt Plumb | Porsche 911 Carrera RSR | ? | 99 | |
| Porsche 3.8L Flat-6 | ||||||||
| 13 | GT3 | 81 | Raymond Boissoneau |  Rino Mastronardi Raymond Boissoneau Nicolas Rondet | Mazda RX-7 | ? | 97 | |
| Mazda 2.0L 3-Rotor | ||||||||
| 14 DNF | GT3 | 22 | Reisman Property Interests, Inc. | John Reisman Paul Reisman | Chevrolet Camaro | ? | 38 | |
| Chevrolet 5.7L V8 | ||||||||
| DNS | GT1 | 12 | Bruce Barkelew | Brian Simo | Ford Mustang | ? | - | |
| Ford 4.6L V8 |