<P> In 1975 , the F - 150 was introduced in between the F - 100 and the F - 250 in order to avoid certain emission control restrictions . For 1978 , square headlights replaced the previous models ' round ones on higher trim package models , such as Lariat and Ranger , and in 1979 became standard equipment . Also for 1978 , the Ford Bronco was redesigned into a variant of the F - series pickup . 1979 was the last year that the 460 big block engine was available in a half ton truck . </P>
when was the first ford f 150 made
1975