Henton's F1 debut came in 1975 for Lotus, theoretically a good drive but the team was in turmoil with the Lotus 72 finally uncompetitive and its replacement the Lotus 76 a failure, so nothing concrete was achieved.
O debut de Henton en F1 chegou en 1975 con Lotus, teóricamente un bo volante pero o equipo estaba en crise co Lotus 72 finalmente non competitivo e o seu substituto, o Lotus 76 foi un fracaso, polo nque non logrou bos resultados.