Cabral did not pursue a full-time racing career but drove for Scuderia Centro Sud in the 1961 Pau Grand Prix. His career was then interrupted by National Service which he spent as a paratrooper in Angola. He returned to Formula One with Centro Sud in 1963 retiring from the German Grand Prix and failing to qualify at Monza. His Formula One career ended with a retirement from the 1964 Italian Grand Prix in the Derrington-Francis-ATS.