Take a look at the pedal lever bushing area from under the truck while someone else wiggles the pedal for you. I'll bet your bushings need replacement.
The only other possibility is a loose bolt which holds the pedal rod to the pedal lever.

Last edited by 52Carl; 08/13/2022 1:13 AM.

1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission