Over the next few years, Ferguson sold off his interest in Massey-Ferguson and turned to the construction of a Coventry-Climax powered 4WD Formula One car in 1960.
Selama beberapa tahun ke depan, Ferguson menjual bunga di Massey-Ferguson dan berpaling kepada pembangunan mobil F1 4WD Coventry-Climax pada tahun 1960.