Mezue ahịrịokwu na-esonụ: Ahụmahụ e nwetara na 1964 na 1965 mere ka 7-liter Mk II na-achịkwa n'afọ na-esonụ. Na Febụwarị, GT40 meriri ọzọ na Daytona. Nke a bụ afọ mbụ Daytona gbara ọsọ n'ụdị 24 Hour na Mk II kwụsịrị 1st, 2nd, na 3rd. N'ọnwa Machị, n'afọ 1966 awa iri na abụọ nke Sebring, GT40s weghaara ebe atọ kachasị elu, na X-1 Roadster mbụ, Mk II na-ewere nke abụọ, na Mk I na nke atọ. Mgbe ahụ na June, na
N'ọsọ 24 nke Le Mans, GT40 nwetara nsonaazụ 1<unk>2<unk>3 ọzọ.