1987 would be the last season the Motori Moderni engine would be used in Formula One. Minardi, who had retained Nannini after an impressive debut season, replaced de Cesaris (who had moved to Brabham) with Spanish driver Adrián Campos who brought considerably more money to the team than driving talent. Once more no points were scored throughout the season, despite some spirited drives by Nannini which only resulted in 11th-placed finishes in Hungary and Portugal. The engines, now rated at after the introduction of the FIA's mandatory pop-off valve aimed at limiting the turbos power to 4.0 bar, were often struggling against the V8 Cosworth DFZ powered cars.