Vehicle Identification Number
Engine can be identified by 4th character of Vehicle Identification Number (VIN). Number is the first line of rating plate or vehicle certification label.
Cowl & Windshield Models - Rating plate is located on right side of cowl top panel under hood.
F100/350, E100/350, U150 (1979 Bronco) - Rating plate is located on lock face of left front door.
P350 - Rating plate is located on boxed items and affixed by body manufacturer.
U150 (1975-78 Bronco) - Rating plate is located on inner panel of glove box door.