Originally Posted by dkf

You have to remove the throttle body completely to clean it properly. I used carb, choke and throttle body cleaner that was safe for o2 sensors and cats from Napa (Macs 8700) but still had to scrape a little. Used brake cleaner to finish it off.

There is plastic and rubber seals on or in a lot of carburetors, the chance of carb cleaner damaging them is slim.

TB before cleaning
Front
https://www.ford-trucks.com/user_gal...183108&width=0

Back
https://www.ford-trucks.com/user_gal...183110&width=0