From what ive read, any year besides 69,80,81,82 is decent. Ive got no smog equipment, and im using a Vaccum Advance distributor. The F i am running was made in 1972. Im assuming any mid 70's F Carb shoud work better than what i have. I dont care if its a fuel saving cali carb, or gas guzzling power house, as long as it runs good and hooks up to my rig for a decent price.