The 1998 24 Hours of Le Mans was the 66th Grand Prix of Endurance, and took place on 6 and 7 June 1998. Schedule Events for the 24 Hours of Le Mans began on 2 May with technical inspections, before initial pre-qualifying on 3 May. The race week began on Monday 1 June with renewed technical inspections. Entries 1998 saw a significant increase in manufacturer involvement. Porsche and Mercedes-Benz remained, with upgraded cars in both GT1 and LMP. Toyota sent three of their new, extremely fast GT-One racing cars, while BMW, in association with WilliamsF1, launched the new BMW V12 LM. Nissan sent 4 of their new R390 GT1s. The United States was also represented properly with a two car team from Panoz, with Ford powered Esperante GTR-1s, and factory-backed Chrysler Viper GTS-R in the GT2 class entered by Oreca. Automatic invitations Automatic entry to the 1998 24 Hours of Le Mans was granted to teams that had performed well in the previous year's 24 Hours of Le Mans, as well as the 1997 season of the FIA GT Championship and the Le Mans Autumn Cup. Entries with a blue background were granted entries, but did not accept their invitations. 1. Joest Racing forfeited their automatic inclusion by racing under the works Porsche team (car number 7). Scrutineering A total of 63 entries, including those already automatically qualified, were presented for scrutineering on Saturday, May 2. 61 cars passed the scrutineering checks, but two entries - the #37 Newcastle United Lister Storm and the #59 Pilbeam Racing Designs Lotus Esprit, were denied on technical grounds. With no time to effect the necessary changes both entries would be unable to take part in pre-qualifying for the race. Pre-qualifying Pre-qualifying for the 1998 24 Hours of Le Mans took place on Sunday, May 3. The entries were divided into two groups of qualifiers where the slowest entries in each class would be eliminated and thus not qualify for the race. A total of 49 starting slots were available for the entered cars, including those already automatically pre-qualified, and were divided on a session- and class-basis. The pre-qualifying results were as follows: Morning session (7:30 a.m. - 1:30 p.m.) It was an expectedly tight session for the GT1 cars, with 7 strong entries competing for 5 slots on the grid. In the end it was the unfortunate Larbre and Zakspeed entries that were