Pre-purchase tips on 1985 Ford e250 Okanagan?

Had a 84 (pick up) with carb that was "HO" as in "high out" put. Ford only made this certain model for a very short time. (Probably because it was junk?) Don't know if 85 had them. New carb of same model was arm and leg, rebuild kit was only 1/2 arm. Went to replacement carb and in the area of WA state at the time I could not pass smog test. Your state might be different (and in WA state they've gotten more common sense) but in the end, I sold it to some guy out of smog testing area. Probably still running? If you see any stickers on air filter box that has High Output I would run. Beyond that no problems.