Considering that the Imola circuit had always been considered a power track that spelled good news for the FIA's turbo restriction rules, especially with drivers of the faster atmo cars, Nigel Mansell's Williams-Judd and the Benetton-Fords of Nannini and Boutsen, regularly challenging the turbos of Lotus-Honda (fastest through the speed trap in qualifying at 302 kmph ), Ferrari and Arrows-Megatron, though the McLarens (which were 1.5 km/h slower at Tosa than Piquet in qualifying) were out of reach of everyone.