Matra MS9
…Tyrrell, who had run Matras in his own Formula 2 team, persuaded Matra to construct a car powered by the Cosworth DFV engine. To develop the concept, a Matra MS7 F2 car was modified to take a DFV, with suspension components taken from the Matra Group 6 sports car. Despite its role as a development car, the MS9…