The 1984 Italian Grand Prix was a Formula One motor race held at Monza on 9 September 1984. It was the fourteenth race of the 1984 Formula One World Championship. The 51-lap race was won by Austrian Niki Lauda, driving a McLaren-TAG, with local drivers Michele Alboreto and Riccardo Patrese second and third in a Ferrari and an Alfa Romeo respectively. With teammate Alain Prost retiring, Lauda opened up a 10.5-point lead over the Frenchman in the Drivers' Championship with two races remaining. Pre-race In the fortnight between the Dutch and Italian Grands Prix, the FIA Court of Appeal upheld the exclusion of the Tyrrell team from the championship for alleged technical infringements, and the team were duly banned from the final three races of the season. The Italian Grand Prix would thus be the first all-turbo Formula One race in history. Meanwhile, the Toleman team had suspended Ayrton Senna for not informing them of his signing for Lotus for before the deal was announced at Zandvoort. Stefan Johansson, out of a drive as a result of Tyrrell's ban, was drafted in to replace the Brazilian at Monza; he would be joined by newcomer Pierluigi Martini. Qualifying Qualifying report Nelson Piquet took his seventh pole position of the season in his Brabham, with Alain Prost alongside him on the front row in his McLaren. The second row was made up of Elio de Angelis in the Lotus and Niki Lauda in the second McLaren, while the third row consisted of Teo Fabi in the second Brabham and Keke Rosberg in the Williams. The second Lotus of Nigel Mansell, the Renault of Patrick Tambay and the two Alfa Romeos of Riccardo Patrese and Eddie Cheever completed the top ten. Johansson was 17th in the Toleman while Martini, unfamiliar with the car, came 27th and last and thus failed to qualify. Qualifying classification Race Race report Manfred Winkelhock, who had qualified 21st in his ATS, suffered a gearbox failure on the formation lap for the second time in three races. Frustrated, he subsequently quit the team. At the start, de Angelis passed Prost and Piquet, though the Brabham driver retook the lead into the first chicane. Tambay also made a fast start to run fourth, while Lauda fell to seventh behind Mansell and Fabi. While Piquet set about building a lead, Prost and Tambay overtook de Angelis, only for Prost's engine to