 Complete the following phrase:  In Ghinzani drove for the small German Zakspeed team, which ran its own 4 cylinder turbo engine, though generally without success, and his best finish for the year was 14th in the German Grand Prix at a wet Hockenheim his teammate, young German Bernd Schneider finished 12th in the race, the best finish for the team in 1988. Despite being one of the few teams to use turbo powered engines in 1988, Ghinzani and Schneider often struggled to qualify for races and were often slower than the atmospheric cars. One such time was at the ultra fast Silverstone Circuit for the 