Dee ihe na-aga n'ihu maka paragraf a - Ahụmahụ enwetara na 1964 na 1965 kwere ka 7-liter Mk II na-achịkwa afọ na-esote. 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. E mesịa, na June, n'ọsọ 24 Hours nke Le Mans
, GT40 rụzuru ihe ọzọ 1<unk>2<unk>3 rụpụtara.