jeffturn the base upside down and spray some wd40 around those adjusting screws on the speed king. they should loosen up after soaking a bit.mike
One of mine were so stuck I had to use a 50/50 mix of auto transmission fluid and acetone and let it soak down in there to break up the dried factory grease . That crap turns to a clay like substance after time . But they did loosen up and i was able to remove and clean-lube the pedal after that .