Part of problem with the brake pedal is the hydrobbost push rod. Its really not perfectly straight and just a biit too long.
I think most guys just cut and shorten and reweld ...... I have an adustable head if I can thread the rod ....... not sure I really want to pull it and try and get it back in clean ...
plus if the threading on rod goes sideways
https://www.dieseltruckresource.com/...thread-323472/