Le 300ci était en option sur les light truck Ford à partir de 65
For 1965, Ford offered a new standard engine and two new optional engines for the F-100 and F-250 trucks. The standard I-6 engine was enlarged to 240ci andproduced more than 150 hp at 4,000 rpm and 235 lb-ft of torque at 2,200 rpm.
The optional engines introduced in 1965 were a still-larger, 300ci displacement I-6, which was rated 170 hp at 3,600 rpm and 283 lb-ft of torque at 2,200 rpm, and a 352ci V-8 that produced approximately 210 hp at 4,400 rpm and 315 lb-ft of torque at 2,200 rpm.