Claim: 1989 San Marino Grand Prix had 14 drivers and a 9.130 second gap between Stefano Modena and Volker Weidler (born March 18, 1962).
Evidence: Brazil Ayrton Senna France Alain Prost Italy Alessandro Nannini Belgium Thierry Boutsen United_Kingdom Derek Warwick United_Kingdom Jonathan Palmer Italy Alex Caffi Italy Gabriele Tarquini United_States Eddie Cheever Italy Andrea de Cesaris United_Kingdom Johnny Herbert Italy Nicola Larini United_Kingdom Martin Brundle Japan Satoru Nakajima Spain Luis Pérez-Sala Brazil Maurício Gugelmin Brazil Nelson Piquet United_Kingdom Nigel Mansell Italy Riccardo Patrese Italy Stefano Modena Italy Pierluigi Martini France Olivier Grouillard Austria Gerhard Berger Italy Ivan Capelli France Philippe Alliot France Yannick Dalmas Italy Michele Alboreto France René Arnoux Germany Christian Danner Brazil Roberto Moreno Belgium Bertrand Gachot Switzerland Gregor Foitek Italy Piercarlo Ghinzani Sweden Stefan Johansson Germany Joachim Winkelhock France Pierre-Henri Raphanel Japan Aguri Suzuki Germany Bernd Schneider Germany Volker Weidler