▁development ▁in ▁ 1 9 6 7 ▁for ▁Col in ▁Chap man ' s ▁Team ▁Lot us ▁was ▁spons ored ▁by ▁Ford . ▁For ▁many ▁years ▁it ▁was ▁the ▁dominant ▁engine ▁in ▁Formula ▁One , ▁and ▁it ▁was ▁also ▁used ▁in ▁other ▁categories ▁of ▁racing , ▁including ▁C ART , ▁Formula ▁ 3 0 0 0 ▁and ▁sport scar ▁racing . ▁ ▁The ▁engine ▁is ▁a ▁ 9 0 ° , ▁ 2 , 9 9 3   cc ▁V 8 ▁with ▁a ▁bore ▁and ▁stroke ▁of ▁ 8 5 . 6 7 ▁x ▁ 6 4 . 9 0   mm ▁( 3 . 3 7 3 ▁x ▁ 2 . 5 5 5 ▁in ) ▁producing ▁over ▁ 4 0 0   b hp ▁( 4 0 8   b hp ▁at ▁ 9 , 0 0 0   r pm , ▁ ▁tor que ▁at ▁ 7 , 0 0 0   r pm ▁was ▁quoted ) ▁from ▁the ▁start ▁reaching ▁over ▁ 5 0 0   b hp ▁( 5 1 0   b hp ▁at ▁ 1 1 , 2 0 0   r pm ▁was ▁quoted ) ▁by ▁the ▁end ▁of ▁its ▁Formula ▁ 1 ▁career . ▁The ▁ 1 9 8 3 ▁D F Y ▁variant ▁had ▁a ▁re vised ▁bore ▁and ▁stroke ▁of ▁ 9 0 . 0 0 ▁x ▁ 5 8 . 8 3   mm ▁( 3 . 5 4 3 ▁x ▁ 2 . 3 1 6 ▁in ) ▁giving ▁